| 1 | HTML5 fifth and current version of the hypertext markup language |
| 2 | JSON text-based open standard designed for human-readable data interchange |
| 3 | XML markup language by the W3C for encoding of data |
| 4 | |
| 5 | LaTeX document markup language |
| 6 | HTML family of markup languages for displaying content in a web browser |
| 7 | XML Schema W3C XML schema language |
| 9 | XSL XML stylesheet language family |
| 10 | PDF family of file formats used to present documents |
| 11 | |
| 12 | Cascading Style Sheets declarative language for styling web pages |
| 13 | Blu-ray Disc digital optical disc data storage format |
| 14 | RDF/XML syntax defined by the W3C to express an RDF graph as an XML document |
| 15 | Keyhole Markup Language notation for expressing geographic annotation and visualization within Internet-based maps |
| 16 | text file kind of computer file containing plain text |
| 17 | Turtle format for expressing data in the RDF data model |
| 18 | Java bytecode instruction set of the Java virtual machine |
| 19 | .htaccess directory-level configuration file |
| 20 | xz file format used by the XZ Utils compression software |
| 21 | IBM Generalized Markup Language markup language |
| 22 | Virtual Reality Modeling Language file format for representing 3D interactive vector graphics |
| 23 | HD DVD discontinued optical disc format |
| 24 | |
| 25 | Jakarta Server Pages Jakarta EE dynamic web pages technology |
| 26 | OpenDocument family of file formats most known for use with LibreOffice and OpenOffice software |
| 27 | |
| 28 | Exchangeable image file format file format |
| 29 | revocation list in computing, a list of revoked certificates |
| 30 | RealAudio file format family |
| 31 | Portable Game Notation computer data format for recording chess games |
| 32 | Standard Generalized Markup Language markup language |
| 33 | Audio Video Interleave file format |
| 34 | Document Type Definition set of markup declarations that define a document type for an SGML-family markup language |
| 35 | MPEG-4 video encoding standard |
| 36 | Zoo data compression program and file format |
| 37 | JavaHelp file format for online help files that can be displayed by the JavaHelp browser |
| 38 | Extensible Application Markup Language programming language |
| 39 | Glulx virtual machine for Interactive Fiction games |
| 40 | OMDoc semantic markup format for mathematical documents |
| 41 | Wireless Markup Language markup language intended for devices that implement the Wireless Application Protocol specification |
| 42 | shapefile package of file formats which together define geographic features |
| 43 | YAML human-readable data serialization format |
| 44 | tar computer file format that can combine multiple files into a single file called "tarball" |
| 45 | iCalendar computer file format |
| 46 | Mbox generic term for a family of related file formats used for storing collections of electronic mail messages |
| 47 | |
| 48 | reStructuredText lightweight markup language |
| 49 | |
| 50 | hOCR open standard for OCR'd text |
| 51 | Business Process Modeling Language language and format for business process modeling |
| 52 | |
| 53 | ARC archive file format used on bulletin board systems |
| 54 | ART image file format file format |
| 55 | Advanced Stream Redirector file format |
| 56 | vCard file format standard for electronic business cards |
| 57 | deb Debian software package format |
| 58 | .DS_Store proprietary format hidden file |
| 59 | AppImage self-contained and compressed executable format for the Linux platform |
| 60 | |
| 61 | MPEG-1 standard for compression of video and audio |
| 62 | European Data Format physiological signal recordings format |
| 63 | Adobe Type 1 ASCII Font Metrics file format |
| 64 | Lossless predictive audio compression lossless audio coding format |
| 65 | LHA data compression file format |
| 66 | OPDS syndication format for electronic publications based on Atom and HTTP |
| 67 | |
| 68 | Theora free lossy video compression format |
| 69 | ICC profile file format that characterizes a color input or output device |
| 70 | Extended Module module file format native to FastTracker 2 |
| 71 | Advanced Authoring Format a file format for professional cross-platform data interchange, designed for the video post-production and authoring environment |
| 72 | AVCHD file-based format for the digital recording and playback of high-definition video |
| 73 | dynamic-link library Microsoft's implementation of the shared library concept in Windows and OS/2 |
| 74 | |
| 75 | Program information file Settings for running DOS applications |
| 76 | afio Creates cpio-format archives |
| 77 | |
| 78 | Electronic Design Interchange Format file format |
| 79 | temporary file file format |
| 80 | Super Video CD digital media storage format |
| 81 | Windows Registry hierarchical database used by the Microsoft Windows operating system and its applications |
| 82 | |
| 83 | proxy auto-config configuration file |
| 84 | batch file script file for Microsoft computer operating systems |
| 85 | |
| 86 | PCX file format family file format family |
| 87 | NMEA 0183 communications standard |
| 88 | XML Metadata Interchange Object Management Group standard |
| 89 | Intel HEX file format for conveying binary information |
| 90 | |
| 91 | Dirac video compression format |
| 92 | Initial Graphics Exchange Specification file format |
| 93 | BBCode lightweight markup language |
| 94 | Apple Lossless audio coding format |
| 95 | Dublin Core Metadata Element Set standardized set of metadata elements |
| 96 | certificate signing request message from an applicant to a certificate authority to apply for a digital identity certificate; lists the public key the certificate should be issued for, identifying information (e.g. domain name) and integrity protection (e.g. digital signature) |
| 97 | Enterprise Application aRchive file format |
| 98 | |
| 99 | Creole lightweight markup language for wikis |
| 100 | Sun Microsystems audio file audio file format |
| 101 | Simple Standards-Based Slide Show System XHTML-based file format for defining slideshows |
| 102 | XML Shareable Playlist Format file format |
| 103 | WebP Lossless lossless version of the WebP image file format |
| 104 | Autorun.inf configuration file for AutoRun |
| 105 | Forsyth–Edwards Notation text file format that represents a board position in a game of chess |
| 106 | MARC standards digital formats for library cataloguing |
| 107 | AsciiDoc text format language |
| 108 | XML User Interface Language user interface markup language implemented as an XML dialect |
| 109 | Microsoft Management Console component of Windows 2000 |
| 110 | Beamer LaTeX class to design slides |
| 111 | RealVideo file format for video streaming |
| 112 | DirectDraw Surface file format |
| 113 | T.38 fax data transmission protocol |
| 114 | Quicken Interchange Format file format |
| 115 | |
| 116 | GRIB version 1 of the GRIB file format |
| 117 | PostScript Printer Description file format |
| 118 | |
| 119 | ZIM open file format that stores Web content for offline usage |
| 120 | |
| 121 | BGRUND Geoinformation system in Baden-Württemberg |
| 122 | |
| 123 | Citation Style Language open XML-based language |
| 124 | Web Ontology Language family of knowledge representation languages |
| 125 | Geographic Data Files file format |
| 126 | OPML an XML format for structured outlines |
| 127 | Microsoft Document Imaging Format file format |
| 128 | Timed Text presentation of text media in synchrony with other media, such as audio and video |
| 129 | Motion JPEG video compression format |
| 130 | |
| 131 | DOT language file format for Graphviz graphs |
| 132 | device independent file format output file format of the TeX typesetting program |
| 133 | Cryptographic Message Syntax cryptographic standard |
| 134 | Web Open Font Format file format for fonts in web pages |
| 135 | MPEG-1 Audio Layer I audio formats |
| 136 | Java archive archive file format based on the zip format |
| 137 | |
| 138 | RIS standard file format for bibliographic data exchange |
| 139 | Geography Markup Language used to describe geographical features |
| 140 | Windows thumbnail cache aspect of the Windows operating system |
| 141 | comma-separated values file format used to store data |
| 142 | CorelDRAW Document file format family |
| 143 | Web application ARchive file format |
| 144 | |
| 145 | |
| 146 | Report Definition Language file format |
| 147 | shell script script written for the shell, or command line interpreter, of an operating system |
| 148 | eXtensible Business Reporting Language file format |
| 149 | |
| 150 | NITF an XML-based document format for exchanging messages |
| 151 | Universal 3D 3D graphics file format |
| 152 | Open XML Paper Specification file format |
| 153 | Industry Foundation Classes Open data schema and file formats for BIM, standardized as ISO 16739-1 (buildingSMART) |
| 154 | High-Efficiency Advanced Audio Coding file format |
| 155 | Microsoft Compiled HTML Help proprietary online help format, consisting of multiple HTML pages compressed into a binary file with the .chm extension |
| 156 | Caltech Intermediate Form file format for describing integrated circuits |
| 157 | Short Payment Descriptor file format |
| 158 | Card Verifiable Certificate Digital Certificate |
| 159 | |
| 160 | |
| 161 | qcow virtual hard drive format introduced by QEMU |
| 162 | LDAP Data Interchange Format standard plain text data interchange format for representing LDAP (Lightweight Directory Access Protocol) directory content and update requests |
| 163 | Windows Media Audio 9 Lossless audio bitstream |
| 164 | .properties file extension |
| 165 | Synchronized Multimedia Integration Language XML-based markup language for multimedia presentations |
| 166 | |
| 167 | |
| 168 | CoffeeScript programming language which compiles to JavaScript |
| 169 | file shortcut handle in a user interface that allows the user to find a file or resource |
| 170 | Compact Disc Audio track filename extension |
| 171 | Computable Document Format file format |
| 172 | |
| 173 | Efficient XML Interchange file format |
| 174 | INI file configuration file format |
| 175 | |
| 176 | |
| 177 | WinHelp proprietary format for online help files that can be displayed by the Microsoft Help browser |
| 178 | |
| 179 | DTBook XML-based document file format |
| 180 | Perl module component of software for the Perl programming language |
| 181 | Darwin Information Typing Architecture XML data model for topic-based authoring and publishing |
| 182 | |
| 183 | MPEG-2 transport stream digital video format used for storage network transmission |
| 184 | Design Web Format file format |
| 185 | Resource Interchange File Format tagged file structure for multimedia resource files |
| 186 | NRG proprietary file format used by Nero Burning ROM |
| 187 | Digital Speech Standard audio file format |
| 188 | Direct Stream Digital system for digitally recreating audible signals |
| 189 | Disc Description Protocol set of required and optional files used for specifying the content of optical discs, including CDs and DVDs |
| 190 | Disk Masher System disk image format used on Amiga computers |
| 191 | STL file format used by CAD software and 3D printers |
| 192 | |
| 193 | |
| 194 | XYZ file format chemical file format |
| 195 | |
| 196 | LyRiCs computer file format that synchronizes song lyrics with an audio file |
| 197 | |
| 198 | |
| 199 | local shared object piece of data that websites using Adobe Flash may store on a user’s computer |
| 200 | |
| 201 | Textile lightweight markup language |
| 202 | Encoded Archival Description XML standard for encoding archival finding aids |
| 203 | OpenEXR file format for high-dynamic-range images |
| 204 | |
| 205 | |
| 206 | quarter-inch cartridge magnetic tape data storage format |
| 207 | Extended Display Identification Data VESA standard for metadata describing a computer monitor's capabilities |
| 208 | MapInfo Interchange Format file format |
| 209 | Extensible Forms Description Language XML-based language for creating digital forms |
| 210 | Value Change Dump dumpfile format |
| 211 | Fibex XML-based format for networks used in automobiles |
| 212 | |
| 213 | Notation3 an assertion and logic language which is a superset of RDF |
| 214 | Texinfo documentation system for on-line information and printed output |
| 215 | Flexible Image Transport System file format |
| 216 | |
| 218 | |
| 219 | Scream Tracker 3 module audio tracker file format used by Scream Tracker |
| 220 | Ink Serialized Format file format |
| 221 | |
| 222 | GDSII stream format database file format for data exchange of integrated circuit layout artwork |
| 223 | GENealogical inDEX file format |
| 224 | |
| 225 | Windows Contacts file format |
| 226 | Audio Lossless Coding lossless audio coding format |
| 227 | Transferred Account Procedure 3 file format |
| 228 | Styled Layer Descriptor file format |
| 229 | Graph Modelling Language markup language |
| 230 | Tag Library Descriptor file format |
| 231 | Smart Game Format file format for storing go (weiqi, baduk) games and other related games |
| 232 | Cross-Platform Installer Module file format standing for Cross-Platform Install |
| 233 | |
| 234 | HTML Application file format |
| 235 | Interchange File Format container file format introduced by Electronic Arts and Commodore |
| 236 | Uuencoding format that encodes binary data as a sequence of printable ASCII characters |
| 237 | Harwell-Boeing file format file format |
| 238 | |
| 239 | FASTA format file format used to store nucleotide or amino acid sequences |
| 240 | Transport Neutral Encapsulation Format proprietary email attachment format |
| 241 | Standard Test Data Format file format |
| 242 | |
| 243 | Protocol Buffers data serialization format |
| 244 | iFrame video compression file format |
| 245 | ISYBAU exchange file format file format |
| 246 | Information Presentation Facility file format |
| 247 | Job Definition Format technical standard |
| 248 | |
| 249 | Konqueror website archive file format |
| 250 | OpenOffice.org XML open XML-based file format family |
| 251 | Microsoft Library file format |
| 252 | |
| 253 | XLIFF computer file format |
| 254 | Privacy-enhanced Electronic Mail family of file formats associated with RFC 1421 |
| 255 | Microsoft Assistance Markup Language XML-based markup language developed by the Microsoft User Assistance Platform team |
| 256 | Maker Interchange Format file format |
| 257 | Translation Memory eXchange file format |
| 258 | Material Exchange Format Object-based file format that wraps video, audio, and other bitstreams |
| 259 | MAB bibliographic file format |
| 260 | Meridian Lossless Packing file format |
| 261 | Metalink file format that describes one or more computer files available for download |
| 262 | Microsoft Digital Video Recording file format |
| 263 | |
| 264 | iMelody mobile ringtone format |
| 265 | Mixed Raster Content file format |
| 266 | Multi Picture Object file format |
| 267 | FILE_ID.DIZ plain-text file describing the archive to which it belongs |
| 268 | Simple file verification file format for storing CRC32 checksums |
| 269 | two-line element set astronomy file format |
| 270 | |
| 271 | Notation Interchange File Format file format |
| 272 | |
| 273 | Object File Format file format to describe 3D objects |
| 274 | Open Artwork System Interchange Standard file format used for specification of data structures for photomask production |
| 275 | PAK Microsoft Windows file format |
| 276 | Portable Document Format for Engineering file format |
| 277 | |
| 278 | |
| 279 | RWX file format for 3D objects |
| 280 | Playstation Patch File file format |
| 281 | Portable Sound Format file format |
| 282 | Wavefront .obj file geometry definition file format |
| 283 | Railway Markup Language open, XML based data exchange format for data interoperability of railway applications |
| 284 | registry file catalog of installation and tuning data about applications and the system on Windows |
| 285 | Requirements Interchange Format XML file format used to exchange requirements and associated metadata between software tools from different vendors |
| 286 | JPEG-LS lossless and near-lossless compression of continuous-tone still images |
| 287 | Java class file file format |
| 288 | SPC700 sound file sound file format for SNES music |
| 289 | |
| 290 | System.map Symbol table used by the Linux kernel |
| 291 | Software Package Data Exchange file format used to document information on the software licenses under which a given piece of computer software is distributed |
| 292 | WWF, unprintable PDF campaign to produce PDF electronic documents that forbid printing |
| 293 | Direct Access Archive file format for disk images |
| 294 | SpreadsheetML file format and XML schema for Microsoft Office Excel 2003 |
| 295 | JISP icon file format for use in XMPP |
| 296 | Standard Parasitic Exchange Format electronic circuit data format |
| 297 | Windows Media Player Playlist file format |
| 298 | Compressed image format file format |
| 299 | Structured Fax File file format |
| 300 | TeX font metric font file format used by the TeX typesetting system |
| 301 | Synchronized Accessible Media Interchange file format |
| 302 | |
| 303 | XRDS document format based on XML |
| 304 | Blu-ray Disc Audio-Video MPEG-2 Transport Stream container file format container file format |
| 305 | nds file format related to Nintendo DS |
| 306 | |
| 307 | |
| 308 | Crystallographic Information File file format for representing crystallographic information |
| 309 | |
| 310 | |
| 311 | |
| 312 | Biovision Hierarchy file format for 3D animations |
| 313 | CFD General Notation System file format |
| 314 | CMX file format digital album file format |
| 315 | .htpasswd configuration file |
| 316 | Core Audio Format audio file format |
| 317 | xorg.conf configuration file |
| 318 | |
| 319 | FASTQ format nucleic acid sequence and base qualities file format |
| 320 | Filmbox proprietary file format |
| 321 | Polygon File Format file format |
| 322 | Flash XML Graphics an XML-based graphics file format |
| 323 | txt2tags lightweight markup language and document generator |
| 324 | HD-VDM DVD format from the Netherlands |
| 325 | SubStation Alpha file format |
| 326 | |
| 327 | MD2 Quake II engine file format |
| 328 | Newick tree format notation for representing graph-theoretical trees with edge lengths using parentheses and commas |
| 329 | OXT file format (OpenOffice.org) |
| 330 | Product Representation Compact 3D file format that can be used to embed 3D data in a PDF file |
| 331 | PowerPoint show .ppt file format |
| 332 | Program database file format for storing debug information about executable files |
| 333 | Rich Text Format Directory document format |
| 334 | StuffIt X archive file format |
| 335 | Secure Digital Container methods of licensing academic software |
| 336 | MPEG-4 Scalable Lossless Coding extension to the MPEG-4 Part 3 (MPEG-4 Audio) standard |
| 337 | |
| 338 | |
| 339 | ICER image compression file format |
| 340 | tab-separated values text file format |
| 341 | |
| 342 | Universal Subtitle Format |
| 343 | |
| 344 | |
| 345 | |
| 346 | Word Perfect Graphic 1.0 file format |
| 347 | |
| 348 | |
| 349 | Office Open XML Spreadsheet Document, ECMA-376 1st Edition document file format conforming to ECMA-376 1st Edition |
| 350 | XPD file format (PlayStation Store) |
| 351 | Xtremsplit file format file format |
| 352 | JTAG Chain Information file format |
| 353 | Microsoft Word document template file format |
| 354 | |
| 355 | Common format for Transient Data Exchange for power systems file format |
| 356 | DisplayID VESA standard for metadata describing a computer monitor's capabilities |
| 357 | DV format for storing digital video |
| 358 | |
| 359 | |
| 360 | MDL Molfile file format in chemistry |
| 361 | Meta Content Framework discontinued specification of a content format for structuring metadata about web sites |
| 362 | |
| 363 | Package interchange format file format |
| 364 | RDOFF file format used by Netwide Assembler |
| 365 | |
| 366 | RGBE image format file format |
| 367 | SEG-Y file format for storing geophysical data |
| 368 | |
| 369 | Network Bootable Image legacy format |
| 370 | Java Application Descriptor file format |
| 371 | |
| 372 | Desktop.ini configuration file used on Microsoft Windows systems to change how folders are displayed |
| 373 | |
| 374 | IES photometry data format |
| 375 | |
| 376 | |
| 377 | |
| 378 | MO3 tracker music file format |
| 379 | Portable Draughts Notation file format |
| 380 | long-term prediction scheme employed in order to reduce the amount of data sent between the mobile station (MS) and base transceiver station (BTS) |
| 381 | Trivial Graph Format file format for the storage and exchange of graph |
| 382 | Vector Quantized Animation file format originally developed by Westwood Studios |
| 383 | XAML Browser Applications file format |
| 384 | |
| 385 | Shareaza collection file format |
| 386 | eMule collection file format |
| 387 | Assembly (CLI) XML wrapper around a compiled code library (the XML-wrapped-library itself is also sometimes referred to as an assembly) used for deployment, versioning, and security |
| 388 | Direct Connect Hublist file format |
| 389 | |
| 390 | .3ds file format used by the Autodesk 3ds Max |
| 391 | Blizzard Game Picture file format |
| 392 | |
| 393 | 8-Bit Sampled Voice file format |
| 394 | ACE file format genomic file format |
| 395 | |
| 396 | Abuse Reporting Format Standard spam report format |
| 397 | Adaptive Multi-Rate audio codec audio compression format optimized for speech coding |
| 398 | Activity Streams file format |
| 399 | ShockWave Component file format |
| 400 | Amiga Disk File file format |
| 401 | Annodex digital media file format |
| 402 | |
| 403 | Arm Image Format file format |
| 404 | Atari SAP music format file format |
| 405 | Avatar representation of users of the Xbox Live service |
| 406 | BAI file format for performing electronic cash management balance reporting |
| 407 | |
| 408 | Backup-file Format data archive format used by IBM AIX |
| 409 | Bak file Filename extension used for backup copies |
| 410 | Be-Music Source file format for rhythm action games |
| 411 | Blorb package format for interactive fiction games |
| 412 | Kindle Format 8 file format |
| 413 | |
| 414 | CDXML CDX file specially formatted so that it conforms to the XML specification |
| 415 | CDX Format file format for two-dimensional atomic coordinates, chemical bond information and metadata |
| 416 | CFS open file format for archiving and compressing files |
| 417 | Corel Photo-Paint Image file format |
| 418 | CPack a packaging system for software distributions |
| 419 | CloneCD Control File file format |
| 420 | Compound File Binary File Format file format used for storing storage objects and stream objects in a hierarchical structure within a single file |
| 421 | Content Sealed Format file format |
| 422 | Creative Music Format file format |
| 423 | DGML XML-based file format for directed graphs |
| 424 | Downloadable Sounds file format usually associated with MIDI data |
| 425 | DVD+VR format for DVD+R and DVD+RW media |
| 426 | DWARF Standardized debugging data format |
| 427 | Darwin Core Archive biodiversity informatics data standard |
| 428 | Data Interchange Format spreadsheet file format |
| 429 | Design Exchange Format file format for representing physical layout of an integrated circuit in an ASCII format |
| 430 | |
| 431 | Document Definition Markup Language XML schema language proposed in 1999 |
| 432 | |
| 433 | Extended Common Object File Format file format |
| 434 | |
| 435 | eXtended Triton Format file format for recording hydrographic survey data |
| 436 | Qualcomm code-excited linear prediction speech codec |
| 437 | |
| 438 | enriched text formatted text format for e-mail |
| 439 | Envoy portable document file format |
| 440 | SAWSDL a set of extension attributes for the Web Services Description Language (WSDL) and XML Schema definition language |
| 441 | Excellon format file format for PCB drilling and routing machines |
| 442 | Execute Direct Access Program |
| 443 | Extended Log Format log file format, based on Common Log Format |
| 444 | Extensible MPEG-4 Textual Format high-level, XML-based file format for storing MPEG-4 data in a way suitable for further editing |
| 445 | |
| 446 | File Streaming Technology digital audio format |
| 447 | |
| 448 | Fuzzy markup language in computer science, language for implementation-independent specification of a fuzzy system |
| 449 | |
| 450 | GUIDO music notation Computer music notation format |
| 451 | Game Boy Sound file format |
| 452 | Gene transfer format file format used to hold information about gene structure |
| 453 | General Data Format for Biomedical Signals file format |
| 454 | General Exchange Format File exchange format |
| 455 | General content descriptor file format |
| 456 | General feature format file format for genomic data |
| 457 | GeoJSON JSON subset for geospatial data |
| 458 | GeoPDF file format extending PDF to allow for embedding georegistration information for maps |
| 459 | ChordPro simple markup for chords and lyrics |
| 460 | HTML Components file format |
| 461 | |
| 462 | Synthetic music mobile application format Audio format from Yamaha |
| 463 | JavaScript format file format that contains scripts in JavaScript |
| 464 | ISO base media file format multimedia container format |
| 465 | PFB Postscript font format |
| 466 | Intuit Interchange Format file format |
| 467 | |
| 468 | JSON-LD a method of encoding Linked Data using JSON |
| 469 | JScript.Encode JavaScript encoding method developed by Microsoft |
| 470 | |
| 471 | Video Recording Object file file format |
| 472 | QWK offline mail reader format |
| 473 | |
| 474 | LBR container format popular for distributing CP/M software |
| 475 | Layered Image File Format file format |
| 476 | Library Exchange Format specification for representing the physical layout of an integrated circuit in an ASCII format |
| 477 | Log ASCII Standard Format file format |
| 478 | Logluv TIFF encoding used for storing high-dynamic-range imaging data inside a TIFF image |
| 479 | Lowrance Electronics manufacturer of Marine Electronics |
| 480 | |
| 481 | |
| 482 | MOI the file extension for the index file accompanying the MOD video file format used on many camcorders |
| 483 | Mathematical Programming System file format |
| 484 | MPX Microsoft Project Exchange File Format ASCII file format used to transfer project information between different versions of Microsoft Project |
| 485 | |
| 486 | MSSTYLES file format that contains the bitmaps and metadata for the Windows XP skinning engine |
| 487 | Management Information Format file format |
| 488 | MapInfo TAB format file format |
| 489 | Microsoft Tape Format tape format used by several backup tools for the Microsoft Windows platform |
| 492 | Mozilla Archive Format legacy compressed Zip file format |
| 494 | National Transfer Format file format |