, a free omni fileformat converter. Future proofing Graphics fileformat summary List of archive ...morefootnotes date October 2008 A fileformat is a particular way that information is encoded for storage ... with each other. File formats are divided into Proprietary format proprietary and open format s. Generality ... PNG files, for example, store Raster graphics bitmapped Graphics fileformat images using lossless data ... or not a particular computer program program treats a particular fileformat correctly. There are, however, two reasons why this is not always the case. First, some fileformat developers view their specification ..., some fileformat developers never spend time writing a separate specification document rather, the format ... file formats without a publicly available specification can be costly. Learning how the format works ... to protect a fileformat. Although patents for file formats are not directly permitted under US law ... with the GIF fileformat requires the use of a patented algorithm, and although initially the patent ... accessdate 2007 01 07 ref Identifying the type of a file A method is required to determine the format ... Windows , Mac OS X , CP M , DOS , VMS , and VM CMS , is to determine the format of a file based on the section ... a file as a different format simply by renaming it&mdash an HTML file can, for instance ... and users may depend on them when looking for a file s format. By having file extensions hidden .... Internal metadata A second way to identify a fileformat is to store information regarding the format inside the file itself. Usually, such information is written in one or more binary string ... be present in other areas too, often including the end of the file that depends on the fileformat ... format alone, but also real metadata about the file and its contents. For example most image file formats store information about image size, resolution, colour space format and optionally other .... The downsides of file header as a fileformat identification method are at least two. First ... more details
FreeFile is a service available through the Internal Revenue Service IRS which allows U.S. taxpayers to prepare and IRS e file e file their federal tax returns for free, either through brand name software or online fillable forms. FreeFile is managed and operated by the FreeFile Alliance , a consortium ..., the FreeFile service is not managed or operated by the IRS. FreeFile provides two options to tax payers FreeFile Software, or FreeFile Fillable Forms. More than 30 million people have used FreeFile since its debut in 2003. For 2011, IRS FreeFile will be available January 14 through October 17. ref IRS.gov, http www.irs.gov freefile www.irs.gov freefile ref FreeFile History In November 2001 .... One initiative, IRS FreeFile, instructed the IRS to provide free and secure online tax return ... of the FreeFile Alliance, LLC, a group of tax software companies who provide free commercial online tax preparation and electronic filing services. ref name About the FreeFile Alliance IRS.gov, http www.irs.gov efile article 0,,id 200979,00.html About the FreeFile Alliance ref FreeFile Alliance The FreeFile Alliance is a consortium of 20 tax preparation software providers who offer ... product for their use. ref http www.irs.gov efile article 0,,id 200979,00.html FreeFile Alliance Homepage ref Agreements between the IRS and the FreeFile Alliance are publicly available. ref name About the FreeFile Alliance The latest Memorandum of Understanding was signed in 2009 and runs through 2014. FreeFile Software One component of FreeFile is the FreeFile Software program, which allows ... residency, age, military service or eligibility for the Earned Income Tax Credit. FreeFile is free for federal tax returns only. However, some FreeFile Alliance members offer state return software for a fee or for free. Most of the software products, but not all, use an interview format in which ... 5, Jan. 15, 2010, http www.irs.gov irs article 0,,id 218318,00.html FreeFile Now Available to Almost ... more details
otheruses2 XM Infobox fileformat name XM icon logo screenshot caption extension code .xm code mime audio xm type code uniform type magic owner Triton demogroup Triton genre Module file Module fileformat container for contained by extended from MOD fileformat MOD extended to standard XM , standing for extended MOD fileformat module , is an audio file type introduced by Triton demogroup Triton s Fast Tracker Fast Tracker 2 . XM introduced multisampling capable instruments with volume and panning envelopes, and basic pattern compression. It also expanded the available effect commands and channels, added 16 bit sampling music sample support, and offered an alternate frequency table for portamento s. XM is a common format for many chiptune s. See also Module file MOD fileformat S3M fileformat External links http www.milkytracker.org MilkyTracker A free software cross platform XM Tracker music software tracker http mikmod.raphnet.net libmikmod A free software library for using .XM http pweb.jps.net olivierl ModPlug Old modplug website http modplug xmms.sf.net libmodplug A free software library for playing using .XM with a frontend can convert XM files . http www.un4seen.com bass.html BASSMOD Proprietary library for using .XM and a XM player Multimedia software stub Category Module file formats cs XM souborov form t de XM Dateiformat hu XM f jlform tum pl XM format pliku sk XM ... more details
. FLAC flac Fileformat for the Free Lossless Audio Codec, a lossless compression codec. GSM FR gsm designed ...An audio fileformat is a fileformat for storing digital audio data on a computer system. This data ... with defined storage layer. Types of formats It is important to distinguish between a fileformat ... itself is stored in a file with a specific audio fileformat. Most of the publicly documented audio ... audio formats, such as WAV , AIFF , Au fileformat AU or raw audio format raw header less PCM ... OS . The AIFF format is based on the Interchange FileFormat IFF . The WAV format is based on the RIFF Fileformat Resource Interchange FileFormat RIFF , which is similar to IFF. WAV and AIFF are flexible ... Union as a successor to WAV. BWF allows metadata to be stored in the file. See Broadcast Wave Format ... audio fileformat. Lossless compressed audio formats A lossless compressed format stores data in less ... compressed format, however, the music would occupy a smaller portion of the file and the silence ... Rate audio codec AMR , AMR WB or AMR WB , but also some open formats AIFF standard audio fileformat ... for speech. atrac .wav the older style Sony ATRAC format. It always has a .wav file extension. To open these files, install the ATRAC3 drivers. Au fileformat Au the standard audio fileformat used by Sun ... WB audio, used primarily for speech, same as the ITU T s G.722.2 specification. Dct FileFormat dct ... file contains no audio data itself. raw audio format raw a raw file can contain audio in any format ... TTA The True Audio, real time lossless audio codec. VOX fileformat vox the vox format most commonly ... first be specified in order to play a vox file. wav standard audio file container format used mainly ... formats . Wav files use a Resource Interchange FileFormat RIFF structure. Windows Media Audio wma ... FileFormat Article DEFAULTSORT Audio FileFormat Category Container formats bg ... tl Audio fileformat uk zh ... more details
about the data compression format the fileformat specification used in genomics ACE fileformat Infobox fileformat name ACE extension tt .ace tt mime code application x ace compressed code owner e merge GmbH creatorcode genre data compression containerfor containedby extendedfrom extendedto In computing , ACE is a proprietary data compression archive fileformat developed by Marcel Lemke, and later bought by e merge GmbH. The peak of its popularity was 1999 2001, when it provided slightly better compression rates than RAR , which has since become more popular. WinAce main WinAce WinAce , maintained by e merge GmbH, is used to compress and decompress ACE files under Microsoft Windows . When installed, it lets the user choose between paying for a registration or installing WhenU adware . e merge GmbH also produces a Commandline ACE for DOS and a freeware command line decompression tool for Linux Intel 80386 i386 and Mac OS X called Unace . e merge GmbH also provides several libraries for developers, including a freeware decompression Dynamic link library DLL called UnACE.DLL . Some third party archivers can read the format using this DLL. None of the above is free software . An older version of an Unace 1.2b is free software and licensed under the GNU General Public License GPL by the author Marcel Lemke, but it cannot extract ACE archives from version 2.0 and newer. ref http packages.debian.org stable utils unace ref On November 23, 2007, version 2.69 of WinACE was released, including ... of Comparison of file archivers Archive format support third party archivers . See also Comparison of archive formats List of archive formats List of file archivers References Reflist External links http www.winace.com WinAce website Archive formats DEFAULTSORT Ace FileFormat Category Archive formats de ACE Dateiformat es ACE formato de fichero fr ACE format de fichier it ACE formato di file nl ACE datacompressie pl ACE format pliku pt ACE formato sr ACE software type stub ... more details
For the sound format of the same name SPC700 sound format The SPC fileformat is a fileformat for storing spectroscopy spectroscopic data. The SPC fileformat is a fileformat in which all kinds of spectroscopic data, including amongst others infrared spectroscopy infrared spectra , Raman spectroscopy Raman spectra and Ultraviolet visible spectroscopy UV VIS spectra can be stored. The format can be regarded as a database with Object composition record s of variable length and each record stores a different kind of data instrumental information, information on one spectrum of a dataset, the spectrum itself or extra logs ref https ftirsearch.com features converters SPCFileFormat.htm Thermo Scientific SPC FileFormat Bot generated title ref . It was invented by Galactic Industries as generic fileformat for its programs. Their original specification was implemented in 1986, but a more versatile format was created in 1996. References reflist Category Computer file formats Category Spectroscopy compu storage stub ... more details
Notability date February 2011 Infobox fileformat name EGG icon logo screenshot caption extension .egg mime type code uniform type magic owner released Start date YYYY mm dd df yes no latest release version latest release date Start date and age YYYY mm dd df yes no genre Compressed archive container for contained by extended from extended to standard free url The EGG fileformat is a compressed archive fileformat that supports for Unicode and intelligent compression algorithms. EGG format is created by ESTsoft and was first applied in their file compression software ALZip . The filename Filename extension extension used by EGG is .egg. If an EGG archive is split into multiple smaller files, the files uses the extensions by placing .volX X for sequence number starting from 1 ahead of its original extension, i.e. .vol1.egg, .vol2.egg, .vol3.egg and so on. Features The EGG format supports the following features Store file names in Unicode Advanced Encryption Standard AES 256 encryption Support for solid compression option to decide the best compression method, that is, analyzes the files to be compressed then chooses whether to compress faster or to prioritize on compression ratio Unlimited number of splitting into smaller pieces of archives Software Currently the only software that is known to compress or extract EGG fileformat is ALZip . References reflist Archive formats Category Archive formats Software type stub ... more details
orphan date December 2010 Infobox fileformat name WWF icon Image WWF File Logo.jpg 64px screenshot caption The official WWF fileformat icon. extension tt .wwf tt mime type code uniform type magic owner ... OS X 10.4 and for Windows XP and later ref Cite web title A New Green FileFormat WWF publisher WWF date url http www.saveaswwf.com en format accessdate 19 December 2010 ref . An Open Source equivalent ... fund wwf format cracked.html format accessdate 21 December 2010 ref , and the file extension .wwf . Thus ... standard Portable Document Format PDF format for document exchange endorsed by the World Wide Fund ... news 1047152 WWF Germanys saveaswwf PDF anti printing campaign exposes internal rifts format accessdate 21 December 2010 ref . The WWF format is promoted as being more environmentally friendly than other comparable document exchange formats e.g. Portable Document Format PDF or DOC computing DOC since documents in this format are designed to be more difficult to print. The motivation behind the use of the format is to prevent unnecessary printing of documents. The website claims that the fileformat will be able to be read by most programs that can open ordinary PDF files. ref Cite web title WWF FAQs publisher WWF date url http www.saveaswwf.com en faqs.html format FAQ accessdate 13 December ... date url http freshmeat.net projects wwf toolkit format accessdate 30 March 2011 ref . Technical details WWF files are simply Portable Document Format PDF files with the security settings for printing set to not allowed ref name bezemer Cite web title World Wildlife Fund WWF format cracked publisher ... cgi feeder.pl help security?BP &LOC en US format accessdate 21 December 2010 ref . Other ... module forums t 31330 format accessdate 21 December 2010 ref ref Cite web title Letter sent by the April ... courrier wwf.pdf format accessdate 5 January 2011 ref for restricting users rights, being ineffective as non Adobe readers such as Ghostscript can print documents in the format , for violating the BSD ... more details
Infobox fileformat name ccp4 extension tt .ccp4 tt mime owner creatorcode genre electron density file container for contained by extended from extended to The CCP4 fileformat is file generated by the Collaborative Computational Project Number 4 in 1979. The fileformat for electron density has become industry standard in X ray crystallography and Cryo electron microscopy where the result of the technique is a three dimensional grid of voxel s each with a value corresponding to density of electrons see wave function The CCP4 format is supported by almost every molecular graphics suite that supports volumetric data. The major packages include Visual molecular dynamics PyMOL UCSF Chimera Bsoft Coot program Coot Chemical Computing Group MOE See also MTZ fileformat MRC fileformat EZD fileformat Chemical fileformat Protein Data Bank fileformat Voxel one way of presenting 3D densities External links http www.ccp4.ac.uk html maplib.html description Format technical details Category Computational chemistry Category Chemical file formats chem stub biochem stub ... more details
Go fileformat s are used to record the moves in a Go board game game of Go or for demonstrations, game reviews, and tsumego Go problems . The most popular fileformat is Smart Game Format SGF . Many Go programs can read, edit, and write this format. Kifu are not written in a fileformat for computers, but are a written or printed diagrammatic record of a game. External links http senseis.xmp.net ?FileFormat Sensei s Library page Category Computer Go go stub board videogame stub ... more details
about the fileformat Ani disambiguation Infobox fileformat name ANI extension tt .ani tt mime owner Microsoft genre cursor computers cursor graphics fileformat containerfor containedby extendedfrom extendedto The ANI fileformat is a graphics fileformat used for animation animated cursor computers cursors on the Microsoft Windows operating system . The format is based on the Microsoft RIFF Fileformat RIFF fileformat, which is used as a container format container for storing the individual frames which are standard ICO icon image fileformat Windows icons of the animation. File structure Animated cursors contain the following information in order of position in the file Name optional Artist information optional Default frame rate Sequence information Cursor hotspot Individual frame s . , in ICO icon image fileformat ICO format Individual frame rates optional Frames rates are measured in Jiffy time jiffies , with one jiffy equal to 1 60 of a second, or 16.666 ms. Sequencing Sequence information present in the file determines the sequence of frames, and allows frames to be played more than once, or in a different order than in which they appear in the file. For example, if the animation contains three different images numbered 1, 2 and 3, and the sequence is 1 2 3 2 1, five frames then only three icons need to be stored in the file, thereby saving storage space. See also Cursor computers ICO icon image fileformat External links http www.gdgsoft.com anituner help aniformat.htm Description of the ani fileformat http isc.sans.org diary.html?storyid 2534&dshield 4a9058b3b27bec39517b255884c25591 Vulnerability in Windows Animated Cursor Handling Graphics file formats Category Graphics file formats Category Microsoft Windows windows stub cs ANI de ANI it ANI formato di file ja ANI ... more details
Context date October 2009 The CALS Raster fileformat is a standard for the interchange of graphics data. It was developed as part of the CALS DOD CALS DOD initiative . It defines a standard for encoding and compression of raster bit mapped image data. References MIL R 28002 Requirement for Raster Graphics Representation in Binary Format MIL PRF 28002 Externals Links http www.fileformat.info format cals CALS Raster FileFormat Summary Graphics file formats Category Graphics file formats Category Technical communication ... more details
Infobox fileformat name Cabinet icon File Cab fileformat icon.png 64px extension tt .cab tt mime code application vnd.ms cab compressed code owner Microsoft creatorcode genre Data compression containerfor ... tt .CAB tt file extension and overall fileformat name comes from the word cabinet , internally used by Microsoft tools dealing with CAB files to reference such files. The CAB fileformat allows for three data compression methods DEFLATE , invented by Phil Katz , the author of the ZIP fileformat ... have a specific marker at the beginning of the file, identifying the fileformat. For Microsoft ... formats Use dmy dates date September 2010 DEFAULTSORT Cabinet FileFormat Category Archive formats Category Windows administration ca CAB de CAB Dateiformat es CAB archivo fr Cabinet format de fichier ko CAB it Cabinet formato di file ja CAB pl CAB pt Microsoft cabinet file ru Cabinet sk CAB s borov ... archive format. It supports compression and digital signing, and is used in a variety of Microsoft ... the company. Usually CAB files contain one or more files and can also reserve empty space in the file ... CAB file. Also CAB files are sometimes embedded into other files. For example, MSI files usually contain .... The CAB file extension is also used in many installers InstallShield and others , although it is not the same fileformat. InstallShield s files usually use zlib for compression see Deflate , but their headers are not the same as in Microsoft CAB files so they are incompatible. InstallShield s format ... file formats. However there are utilities, such as http www.synce.org oldwiki index.php Unshield Unshield , that can extract this specific proprietary format. See also List of archive formats External ... Microsoft Cabinet Format online version of the documentation from the Microsoft Cabinet ... files. Last update 28 November 2001 http www.cabextract.org.uk cabextract is Free Software for unpacking ... files not implemented yet http freshmeat.net projects lcab LCAB Linux cabinet file creator http www.synce.org ... more details
The Harwell Boeing fileformat also known as HB format is a fileformat designed to store information used to describe sparse matrix sparse matrices . See also Matrix Market exchange formats External links http people.sc.fsu.edu burkardt data hb hb.html HB Files Harwell Boeing Sparse Matrix FileFormat a detailed description of the HB format Category Computer file formats storage software stub de Harwell Boeing Format pt Formato de ficheiro Harwell Boeing ru Harwel Boeing ... more details
Orphan date February 2009 The UTZ fileformat , format used by Symbian OS devices to store user interface themes. A UTZ file is a ZIP fileformat ZIP file container consisting of one XML file describing the user interface layout and a collection of resources like PNG graphics and mp3 sounds. The full http developer.uiq.com kb guides.html id1051 UIQ 3 themes specification and creation guide is available on the http developer.uiq.com UIQ Developer Portal . Category Archive formats compu storage stub ... more details
Backup FileFormat is a data archive format used by the IBM AIX operating system. It stores copies of files in an analogous manner to the Unix Tar fileformat tar format. BFF files can be created by the AIX backup command, and read by the corresponding restore command. There is no standard file suffix, although some files use code .bff code . However, files can be identified programmatically by their magic number in the first 4 bytes. This can be either code 0x09006bea code or code 0x09006fea code , in big endian byte order. ref File magic numbers shown in the etc magic file on AIX 6.1, file revision bos61B src bos usr bin file POWER magic 1.20 ref The Backup FileFormat is also used for AIX software packages. ref http www.redbooks.ibm.com redbooks pdfs sg246606.pdf Managing AIX Server Farms , Chapter 6 ref References refs Category Computer file formats ... more details
A document fileformat is a Text file text or Binary file binary computer filefileformat for storing ... exist a multitude of incompatible document file formats. A rough consensus has been established that XML is to be the basis for future document file formats. Examples of XML based open format open standards ... fileformat. It has also become International Organization for Standardization ISO International Electrotechnical Commission IEC standard ISO 15445 2000 . The default binary fileformat used by Microsoft ... title MS DOC Word Binary FileFormat .doc Structure Specification author Microsoft Corporation date 2010 07 23 accessdate 2010 08 08 ref DjVu fileformat designed primarily to store scanned documents ..., .wp, .wp7, .doc Note possible confusion with Word format extension See also List of file formats List ... Open XML ISO 29500 2008 . In 1993, the ITU T tried to establish a standard for document file formats, known as the Open Document Architecture ODA which was supposed to replace all competing document file .... It did not succeed. Page description language s such as PostScript and Portable Document Format PDF ... format and is not always fully supported by other word processors. Common document file formats ASCII , UTF 8 plain text formats Amigaguide DOC computing .doc for Microsoft Word Structural binary format developed by Microsoft specifications available since 2008 under the Microsoft ... docs OfficeBinaryFormats.mspx title Microsoft Office Binary doc, xls, ppt File Formats date 2008 ... DjVu.org accessdate 2009 03 05 ref DocBook an XML format for technical documenation HTML .html, .htm , open standard, ISO from 2000 , in combination with possible image file s referred to. FictionBook .fb2 open XML based e book format Office Open XML .docx XML based standard for office documents, ISO ... OpenOffice.org XML .sxw open, XML based format for office documents Open XML Paper Specification ... Handheld document format Plucker Handheld navigable widely used Citation needed date October 2010 ... more details
Infobox fileformat name mrc extension tt .mrc tt mime owner creatorcode genre 3D electron density file or 2D image file container for contained by extended from extended to The MRC fileformat is a fileformat for electron density has become industry standard in Cryo electron microscopy where the result of the technique is a three dimensional grid of voxel s each with a value corresponding to density of electrons see wave function The MRC format is supported by almost every molecular graphics suite that supports volumetric data. The major packages include Visual molecular dynamics UCSF Chimera See http www.cgl.ucsf.edu chimera tutorials volumetour volumetour.html UCSF website for a tour of image created from data stored in MRC formats. See also CCP4 fileformat EZD fileformat Chemical fileformat Protein Data Bank fileformat Voxel one way of presenting 3D densities External links http www.biochem.mpg.de doc tom index.html Format technical details http ami.scripps.edu software mrctools mrc specification.php MRC specification Category Computational chemistry Category Chemical file formats chem stub biochem stub ... more details
The FLIC fileformat s most known in the extension .FLI and .FLC , used to store animation files. It is similar to animated GIF . The FLIC animation format was originally developed by Autodesk for use with Autodesk Animator FLI and Autodesk Animator Pro FLC . External links http woodshole.er.usgs.gov operations modeling flc.html The FLI FLC Animation Format in USGS http www.compuphase.com flic.htm The FLIC fileformat in CompuPhase http www.qzx.com pc gpe fli.for FLI and FLC info Graphics file formats Category Graphics file formats Multimedia software stub pl FLIC format ... more details
The IMA fileformat is an archive format used for creating a disk image of floppy disks. This allows for digital storage, transmission, and replication of floppy disks. Files created using this format typically use the .IMA file extension . Format details An .IMA file contains a raw dump of the content of a disk. This format is not compatible with the Disk Copy Fast format but is supported by multiple software vendors, and is the same format as IMG fileformat IMG . Support and development The IMA fileformat is currently supported by WinImage and is used by Nero Burning ROM and Microsoft Virtual Machine Microsoft Virtual Server . Some newer software supports a ZIP fileformat ZIP compressed version of the format, called .IMZ, such as WinImage . Use IMA files are used for Digital storage, transmission, and replication of floppy disks. Mounting virtual floppy disk volumes. Transferring bootable volume properties to CDROM and DVD volumes to make bootable CDROMs DVDs. Disk images Category Archive formats software type stub ... more details
Infobox fileformat name Snapshot File icon extension tt .snp tt mime owner Microsoft type code genre Access report output, multi page, precise containerfor EMF FileFormat EMF contained pages containedby Cabinet fileformat CAB compression wrapper extended from extended to The SNP fileformat is used by Microsoft Access to store Report Snapshots in a single file which can be viewed and printed by the Microsoft http www.microsoft.com downloads details.aspx?FamilyID b73df33f 6d74 423d 8274 8b7e6313edfb&DisplayLang en Snapshot Viewer , available as a no additional charge download from Microsoft runs on Windows only . This allows report output to be exported and viewed on Windows computers which do not have Microsoft Access installed. Fileformat SNP files are based on the Microsoft Compound File Binary Format CFBF , ref cite web accessdate 2006 05 22 format PDF url http www.aafassociation.org html specs aafcontainerspec v1.0.1.pdf title Advanced Authoring Format Low Level Container Specification ... discussion of SNP fileformat ref Since CFBF files are not compressed, Microsoft s Cabinet fileformat CAB format is used to reduce the size of the CFBF, resulting in a compact fileformat which may be only ... archive archivedate 2006 05 07 ref which is also the basis for the Advanced Authoring Format AAF . CFBF is a reasonably simple container format which can store multiple files, directories and so on. ref cite web accessdate 2006 05 22 format PDF url http sc.openoffice.org compdocfileformat.pdf title Microsoft Compound Document FileFormat work OpenOffice.org CFBF description ref For SNP files, Microsoft Access uses CFBF to store each page as a separate EMF FileFormat Enhanced Metafile EMF like format containing all of the graphics commands required to reproduce the page. ref cite web accessdate 2008 09 27 format HTML url http social.msdn.microsoft.com Forums en US os binaryfile thread 858f2a6e ... 6d74 423d 8274 8b7e6313edfb&DisplayLang en Snapshot Viewer Category Computer file formats Category ... more details
about the fileformat specification used in genomics the compression format ACE fileformat The ACE fileformat is a specification for storing data about genomic contig s. The Center for Bioinformatics and Computation provides a http www.cbcb.umd.edu research contig representation.shtml ACE short description of the ACE format . The original ACE format was developed for use with Consed , a program for viewing, editing, and finishing DNA sequence assembly sequence assemblies . ACE files are generated by various assembly programs, including Phrap , CAP3 , Newbler , and Arachne . External links http bcr.musc.edu manuals CONSED.txt ACE format specification http doc.bioperl.org releases bioperl current bioperl live Bio Assembly IO ace.html BioPerl IO module for ACE http www.cbcb.umd.edu research contig representation.shtml Contig representation in several assembly formats Category Computer file formats bioinformatics stub ... more details
format arc corion.htm ARC fileformat description http sourceforge.net projects arc ARC free ...Cleanup date January 2009 Infobox fileformat name ARC icon screenshot caption extension tt .arc tt br ... to standard ARC is a lossless data compression and file archiver archival fileformatformat by System ... board system BBS . The fileformat and the program were both called ARC. The ARC program essentially ... to create LBR fileformat .LBR archives by combining the functions of both compression and archiving ... worked with the archive fileformat used by ARC, and were significantly faster than ARC on the IBM ... fileformat to be closed and proprietary. Katz received positive publicity by releasing the APPNOTE.TXT specification documenting the ZIP fileformat, and declaring that the ZIP fileformat would always be free for competing software to implement. The net result was that the ARC format quickly dropped out of common use as the predominant compression format that PC BBSs used for their file archives ... SEA vs. PKWARE Compression Software Implementations DEFAULTSORT Arc FileFormat Category Archive formats ca .arc de ARC Dateiformat fr ARC format de fichier it ARC formato di file ru ARC ... trees. The .arc format was the subject of quite a bit of controversy in the 1980s an important event in debates over what would later be known as Open format s. .arc is often also used as a file extension for several different file types that have in common that they are some kind of archive files. The Internet Archive uses their own ARC format for storing multiple web resources into a single file http crawler.archive.org articles developer manual arcs.html http www.archive.org web researcher ArcFileFormat.php . FreeArc archiver uses the same file extension but completely different fileformat. History In 1985, Thom Henderson of System Enhancement Associates wrote a program called ARC ... , that not only grouped files into a single archive file but also compressed them to save disk space ... more details
The Extensible LADAR Format XLF fileformat was developed at the Utah State University USU Center for Advanced Imaging LADAR for use with large multi gigabyte LADAR point clouds. compu storage stub Category Computer file formats ... more details
Unreferenced date December 2009 The IMG fileformat is one of the following files A CD or DVD image file, essentially equivalent to an ISO file. On such a file, simply changing the extension from IMG to ISO can make it usable as the latter by most programs. An archive format used for creating a disk ... disks and HDDs. Files created using this format typically use the .IMG file extension . Please, note that there are at least two different kind of archives with this extension. A file in the Macintosh Disk Image format used by Aladdin Systems now Allume Systems ShrinkWrap and Apple Disk Copy for Mac OS although they share the same file extension. The IMG fileformat, also known as GEM IMG , is an image fileformat used to store bitmap digital images on Graphical Environment Manager . A graphics image format used in various ways by many different graphics software packages. IMG Archive Format details The IMG file extension is used by, at least, two different file formats An IMG file may contain a raw dump of the content of a disk. This format is not compatible with the Disk Copy Fast and DiskDupe format but is supported by multiple software vendors and conventions. It contains the same data as the IMA fileformat IMA fileformat. In this case the first three bytes noted in hexadecimal of the image will be EB 3C 90, and the file size will always be a multiple of 512 bytes which is the size ... can be anything. Support and development The raw IMG fileformat is currently supported by GNU Project ... fileformat IMA . Please note that some popular DOS based programs like HDCopy create archives with the same IMG file extension, but the fileformat is different. Those programs use a proprietary and compressed fileformat which is not a raw dump of the disk, so is not directly usable by RaWrite , VirtualBox , etc. You have to use HDCopy to restore the disk image with proprietary fileformat, and then create .... See also mtools Disk images DEFAULTSORT Img FileFormat Category Computer file formats Category ... more details
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