| 1 | 1SP | Microsoft Corporation | Microsoft OneNote Mobile Document |
| 2 | 602 | Software602, Inc. | T602 Document |
| 3 | ABW | AbiSource | AbiWord Document |
| 4 | ACCDP | Microsoft Corporation | Microsoft Access 2007/2010 Project |
| 5 | ADN | Microsoft | Access Blank Project Template |
|
| 6 | ADP | Microsoft | Access Project |
| 7 | AEPX | Adobe Systems | After Effects XML Project |
| 8 | AWW | Ability Plus Software | Ability Write Document |
| 9 | B4S | Nullsoft | Winamp Playlist Format |
| 10 | BBL | Oren Patashnik | TeX/BibTeX Bibliographic Reference Format |
| 11 | BFX | Cheyenne | Bitware Fax Document |
| 12 | BIBTEX | Sublime HQ Pty Ltd | BibTeX Document |
| 13 | BOOK | Adobe Systems | FrameMaker Book Format |
| 14 | CAP | N/A | Packet Capture Format |
| 15 | CDMM | Computer Systems Odessa | ConceptDraw MINDMAP Document |
| 16 | CDMZ | Computer Systems Odessa | Compressed ConceptDraw MINDMAP Document |
| 17 | CHM | Microsoft | Compiled HTML Help Format |
| 18 | CHS | Microsoft | Windows Chinese Noise-Word List Format |
| 19 | CMX | Corel | Corel Metafile Exchange Image Format |
| 20 | CNT | Microsoft | Help Contents Format |
| 21 | CPTX | Adobe Systems | Adobe Captivate Project Format |
| 22 | CWK | Apple | ClarisWorks Document |
| 23 | DA | Procedimientos-Uno, S.L. | DAwin Project |
| 24 | DBM | Adobe Systems | ColdFusion Server Format |
| 25 | DBX | Microsoft | Outlook Express E-mail Folder |
| 26 | DFV | Microsoft Corporation | MS Office Word Print Format Template |
| 27 | DHE | Microsoft Corporation | Microsoft Help Workshop Dialog Box Help Editor Document |
| 28 | DJV | LizardTech | DjVu Image |
| 29 | DJVU | LizardTech | DjVu Image |
| 30 | DOC | Microsoft | Microsoft Word Document |
| 31 | DOC# | LibreOffice | LibreOffice Document Lock File |
| 32 | DOCHTML | Microsoft | Microsoft Word HTML Document |
| 33 | DOCM | Microsoft | Word Open XML Macro-Enabled Document |
| 34 | DOCSET | Doxygen | Doxygen Document Set Format |
| 35 | DOCX | Microsoft | Microsoft Word Open XML Document |
| 36 | DOT | Microsoft | Word Document Template |
| 37 | DOTHTML | Microsoft | Microsoft Word HTML Document Template |
| 38 | DOTM | Microsoft | Word Open XML Macro-Enabled Document Template |
| 39 | DOX | N/A | Visual Basic Binary UserDocument |
| 40 | DVI | N/A | Device Independent Format |
| 41 | DXSTUDIO | Worldweaver | DX Studio Document |
| 42 | EASMX | Microsoft Corporation | XPS Document |
| 43 | EBS | Psychology Software Tools | E-Run 1.x Script |
| 44 | EDN | Adobe | Acrobat Document Format |
| 45 | EFX | j2 Global Communications | EFax Document |
| 46 | EMLX | Apple | Mail Message |
| 47 | ENW | Thomson Reuters | EndNote Import Format |
| 48 | EPP | Just Great Software Co. Ltd. | EditPad Pro Project Format |
| 49 | EPRTX | Microsoft Corporation | Microsoft XPS Document Related |
| 50 | EPT | N/A | Adobe Encapsulated PostScript Interchange Format With TIFF Preview |
| 51 | EVY | Corel | Envoy Format |
| 52 | FAQ | N/A | Frequently Asked Questions Document |
| 53 | FAX | Now Software | Fax Document |
| 54 | FCDT | Adobe Systems | FormsCentral Design Template |
| 55 | FDF | Adobe Systems | Acrobat Forms Data Format |
| 56 | FLO | iGrafx | IGrafx FlowCharter Format |
| 57 | FODP | Oracle | OpenDocument Flat XML Presentation |
| 58 | FODT | Oracle | OpenDocument Flat XML Document |
| 59 | FPAGE | Microsoft Corporation | Microsoft XPS Document Page |
| 60 | GCX | Apple | Grapher Graph Format |
| 61 | GP4 | Arobas Music | Guitar Pro 4 Tablature |
| 62 | GRV | Microsoft | Office Groove Format |
| 63 | GSA | Microsoft Corporation | Microsoft SharePoint WorkSpace Groove Working Space Archive Or Template |
| 64 | HELP | Apple | Mac OS X Help Book |
| 65 | HHT | Microsoft | Help And Support Center HHT Format |
| 66 | HPJ | Microsoft | Help Project Format |
| 67 | HPT | HotDocs | HotDocs PDF Template |
| 68 | HWP | Hancom | Hanword Document |
| 69 | HXS | Microsoft | Help 2 Compiled Help Format |
| 70 | ICMA | Adobe Systems | InCopy Assignment Format |
| 71 | ICML | Adobe Systems | InCopy Document |
| 72 | ICMT | Adobe Systems | InCopy Template |
| 73 | IDAP | Adobe Systems | Adobe InDesign Assignment Package |
| 74 | IDC | Microsoft | Internet Database Connector Format |
| 75 | IDD | N/A | Adobe InDesign For Mac Document |
| 76 | IDML | Adobe Systems | Adobe InDesign Markup Language Format |
| 77 | IF | Procedimientos-Uno | Procedimientos-Uno IFWin Project Format |
| 78 | INCP | Adobe Systems | InCopy CS3 Package Format |
| 79 | IND | Adobe | Adobe InDesign Graphics Document Format |
| 80 | INDB | Adobe Systems | Adobe InDesign Book Format |
| 81 | INDD | Adobe Systems | Adobe InDesign Document |
| 82 | INDT | Adobe Systems | Adobe InDesign Template |
| 83 | INX | Adobe Systems | Adobe InDesign Interchange Format |
| 84 | ITMZ | Craig Scott | IThoughtsHD Mind-map Document |
| 85 | IWA | Apple | iWork Archive File |
| 86 | JW | N/A | Microsoft WordPad |
| 87 | JWL | Roxio | Roxio Jewel Case Format |
| 88 | KEY-TEF | Apple | Keynote ICloud Presentation |
| 89 | KEYNOTE | Apple, Inc. | IWork Keynote 06 Presentation |
| 90 | KNT | KeyNote | KeyNote Note Format |
| 91 | LATEX | N/A | LaTeX Document |
| 92 | LIC | N/A | Software License Format |
| 93 | LOGONXP | Stardock | LogonStudio Windows XP Logon Screen |
| 94 | LVM | National Instruments | LabVIEW Measurement Format |
| 95 | LWP | IBM | Lotus Word Pro Document |
| 96 | MARKDN | John Gruber | Markdown Format |
| 97 | MARS | Adobe Systems | Adobe MARS Format |
| 98 | MCBN | N/A | Microsoft Excel 4 For Mac Chart |
| 99 | MDBHTML | Microsoft | Microsoft Access Database HTML Format |
| 100 | MDHTML | Microsoft Corporation | Microsoft Access HTML |
| 101 | MED | RBF Software | Amiga MED Sound Format |
| 102 | MINDNODE | Markus Müller | MindNode Document |
| 103 | MMAP | Mindjet | MindManager Map Format |
| 104 | MMF | Microsoft | Microsoft Mail Message Format |
| 105 | MPLS | Blu-ray Disc Association | Blu-ray Movie Playlist Format |
| 106 | MPX | Microsoft | Microsoft Project Exchange Format |
| 107 | MSDVD | Microsoft | Windows DVD Maker Project Format |
| 108 | MSHC | Microsoft | Microsoft Help Container Format |
| 109 | MSO | Microsoft | Inline E-mail Attachment |
| 110 | MSW | Microsoft | Microsoft Word 5 Document Format |
| 111 | MSWD | Microsoft Corporation | Microsoft Word For Mac Document |
| 112 | MUSE | Adobe Systems | Adobe Muse Website Project |
| 113 | MVB | N/A | Multimedia Viewer Book Source Format |
| 114 | MWD | Mariner Software | MarinerWrite Document |
| 115 | MX2 | ValuSoft | MasterCook Recipe |
| 116 | N3 | N/A | Notation3 document |
| 117 | NB | Wolfram Research | Mathematica Notebook |
| 118 | NBP | Wolfram Research | Mathematica Player Notebook Format |
| 119 | NCLK | N/A | HTML Formatted Text |
| 120 | NCT | Nero | Nero CoverDesigner Template |
| 121 | NCW | Nero | Nero CoverDesigner Picture Template Format |
| 122 | NM5 | Nova Mind Software Pty Ltd. | NovaMind Mind Map |
| 123 | NOT | Notation Software | Notation Format |
| 124 | NPDF | N/A | Normal PDF document |
| 125 | OAM | Adobe Systems | Adobe Edge Animate Widget Format |
| 126 | OBD | Microsoft | Office Binder Document |
| 127 | ODC | Microsoft | Office Data Connection Format |
| 128 | ODF | Oracle | OpenDocument Formula |
| 129 | ODM | OverDrive | OverDrive Media Format |
| 130 | ODO | iCUBE Network Solutions | Online Operating System Write Document |
| 131 | ODP | Oracle | OpenDocument Presentation |
| 132 | ODS | Oracle | OpenDocument Spreadsheet |
| 133 | ODT | Oracle | OpenDocument Text Document |
| 134 | ODT# | N/A | Generic |
| 135 | OFN | Microsoft Corporation | MS Office Format New (Other Office Documents) |
| 136 | OLE | Microsoft Corporation | Microsoft Object Linking And Embedding |
| 137 | OOS | OpenOffice Project Team | OpenOffice.org Spreadsheet |
| 138 | OPX | Insperity Business Services | OrgPlus Org Chart |
| 139 | OTC | OASIS | OpenDocument Chart Template |
| 140 | OTG | OASIS | OpenDocument Graphic Template |
| 141 | OTT | OASIS | OpenDocument Document Template |
| 142 | OXPS | Microsoft | OpenXPS Format |
| 143 | P2S | PCSX2 | PCSX2 Saved State |
| 144 | P65 | Adobe Systems | PageMaker 6.5 Document |
| 145 | PAGES | Apple | Pages Document |
| 146 | PAGES-TEF | Apple | Pages ICloud Document |
| 147 | PBPROJ | Apple | Project Builder Project |
| 148 | PDF | Adobe Systems | Portable Document Format |
| 149 | PDFA | Adobe Systems Incorporated | PDF/A Document |
| 150 | PDFX | Adobe Systems Incorporated | PDF/X Document |
| 151 | PDFXML | Adobe Systems | Adobe PDFXML Document |
| 152 | PDF_ | Adobe Systems Incorporated | Adobe Acrobat Portable Document |
| 153 | PDI | Pinnacle Systems | Microsoft PowerPoint Import Or Export Format |
| 154 | PM6 | Adobe Systems | PageMaker 6.0 Document |
| 155 | PML | Association of Shareware Professionals, Inc. | PADGen Program Information Format |
| 156 | POT | Microsoft | PowerPoint Template |
| 157 | POTHTML | Microsoft Corporation | Microsoft PowerPoint HTML Template |
| 158 | POTX | Microsoft | PowerPoint Open XML Presentation Template |
| 159 | PPDF | Microsoft | Rights Management Protected File |
| 160 | PPG | Microsoft Corporation | Microsoft PowerPoint Presentation |
| 161 | PPJ | Adobe Systems | Premiere 6 Project Format |
| 162 | PPS | Microsoft | PowerPoint Slide Show |
| 163 | PPSM | Microsoft | PowerPoint Open XML Macro-Enabled Slide Show |
| 164 | PPSX | Microsoft | PowerPoint Open XML Slide Show |
| 165 | PPT | Microsoft | PowerPoint Presentation |
| 166 | PPT3 | Microsoft Corporation | Microsoft PowerPoint For Mac Presentation |
| 167 | PPTHTML | Microsoft | PowerPoint HTML Presentation |
| 168 | PPTM | Microsoft | PowerPoint Open XML Macro-Enabled Presentation |
| 169 | PPTMHTML | Microsoft | Microsoft PowerPoint MIME HTML Presentation |
| 170 | PPTX | Microsoft | PowerPoint Open XML Presentation |
| 171 | PPTXML | Microsoft Corporation | Microsoft Powerpoint XML Presentation |
| 172 | PPV | Microsoft Corporation | Microsoft Pocket PowerPoint Presentation |
| 173 | PRC | Mobipocket | Mobipocket EBook Format |
| 174 | PRD | SoftMaker Software | SoftMaker Presentations Document |
| 175 | PRE | IBM | Lotus Freelance Graphics Format |
| 176 | PRPROJ | Adobe Systems | Premiere Pro Project |
| 177 | PS | Adobe Systems | PostScript Format |
| 178 | PS2 | PCSX2 | PCSX2 Memory Card Format |
| 179 | PS3 | Adobe Systems Incorporated | Adobe Level III PostScript Document |
| 180 | PT | The Panther Team | Panther Project Format |
| 181 | PUB | Microsoft | Publisher Document |
| 182 | PUBHTML | Microsoft Corporation | Microsoft Publisher HTML Document |
| 183 | PWD | Microsoft | Pocket Word Document |
| 184 | PWI | Microsoft | Pocket Word Document |
| 185 | QIZ | MacKichan Software | Exam Builder Quiz |
| 186 | QXT | Quark Software | QuarkXPress Template |
| 187 | RELS | Microsoft | Open Office XML Relationships Format |
| 188 | RRPA | Oracle Corporation | Oracle Reports Remote Printing Utility PDF Report |
| 189 | RTF | Microsoft | Rich Text Format |
| 190 | RTFD | Apple | Rich Text Format Directory Format |
| 191 | RTF_ | N/A | Rich text format file - Mac File Type |
| 192 | RVF | Sergey Tkachenko | RichView Document |
| 193 | RZB | Red Zion | Red Zion Book Format |
| 194 | SAM | Samna | Ami Pro Document |
| 195 | SDD | Oracle | StarOffice Presentation |
| 196 | SDP | N/A | Session Description Protocol Format |
| 197 | SDS | N/A | MIDI Sample Dump Standard Format |
| 198 | SDW | LizardTech | StarOffice Writer Text Document |
| 199 | SFF | Elecbyte | Structured Fax Format Image Format |
| 200 | SGF | Oracle Corporation | StarOffice Document With Graphics |
| 201 | SGL | N/A | OpenOffice.org/StarOffice Master Document |
| 202 | SH3 | N/A | Harvard Graphics 3.0 Presentation |
| 203 | SHW | Corel | Corel Presentation |
| 204 | SITES | Apple | IWeb Site Design Project |
| 205 | SLD3 | Microsoft Corporation | Microsoft PowerPoint 3/4 For Mac Slide |
| 206 | SLD8 | Microsoft Corporation | Microsoft PowerPoint 98 For Mac Slide |
| 207 | SLDS | Microsoft Corporation | Microsoft PowerPoint 2 For Mac Slide |
| 208 | SLF | Symantec | Symantec License Format |
| 209 | SNP | Microsoft | Access Report Snapshot |
| 210 | SNT | Microsoft | Sticky Notes Format |
| 211 | SPUB | BeLight Software | Swift Publisher Document |
| 212 | SSIW | Corel Corporation | Corel WordPerfect 4 For Mac Document |
| 213 | STI | Oracle | StarOffice Presentation Template |
| 214 | STM | Microsoft | HTML Server Side Include Format |
| 215 | STW | Oracle | StarOffice Document Template |
| 216 | SXG | Oracle | Apache OpenOffice Master Document |
| 217 | SXI | Oracle | StarOffice Impress Presentation |
| 218 | SXM | Oracle | StarMath Formula |
| 219 | SXW | Oracle | StarOffice Writer Document |
| 220 | SY3 | Harvard Graphics | Harvard Graphics Symbol Format |
| 221 | T | Holt Software | Turing Source Code Format |
| 222 | TEX | Donald Knuth | LaTeX Source Document |
| 223 | TMD | SoftMaker Software | TextMaker Document |
| 224 | TMV | SoftMaker Software | TextMaker Template |
| 225 | TNS | Texas Instruments | TI-Nspire Document |
| 226 | TNSP | Texas Instruments | TI-Nspire PublishView Document |
| 227 | TPL | N/A | Document Template |
| 228 | TXTRPT | CommScope | CommScope Teletilt Control System Report |
| 229 | UML | N/A | UML Data Object Model |
| 230 | UOT | N/A | Uniform Office Document |
| 231 | VAI | DTWSoftware | PhotoDub Album Voice And Image |
| 232 | VBD | Microsoft | Visual Basic ActiveX Document |
| 233 | VCG | Microsoft Corporation | Microsoft SharePoint WorkSpace Groove VCard Contact |
| 234 | VCP | Microsoft | EMbedded Visual C++ Project Format |
| 235 | VOPREFS | Apple, Inc. | Apple Mac OS X VoiceOver Document |
| 236 | VOR | Oracle Corporation | OpenOffice.org Or StarOffice Template Format |
| 237 | VSD | Microsoft | Visio Drawing Format |
| 238 | VSDM | Microsoft | Visio Macro-Enabled Drawing |
| 239 | VST | Steinberg | VST Audio Plugin |
| 240 | VSX | Microsoft | Visio Stencil XML Format |
| 241 | VUP | Microsoft Corporation | Microsoft Visual Studio Visual C++ Utility Project |
| 242 | VWI | Microsoft | Microsoft Visio Workflow Interchange File |
| 243 | W60 | Corel Corporation | Corel WordPerfect 6.0 Document |
| 244 | W61 | Corel Corporation | Corel WordPerfect 6.1 Document |
| 245 | W6BN | Microsoft Corporation | Microsoft Word 6 For Mac Document |
| 246 | W6W | Microsoft Corporation | Microsoft Word 6 Document |
| 247 | W8BN | Microsoft Corporation | Microsoft Word 98 For Mac Document |
| 248 | W8TN | Microsoft Corporation | Microsoft Word 98 For Mac Template |
| 249 | WDBN | Microsoft Corporation | Microsoft World For Mac Document |
| 250 | WKB | Corel Corporation | Corel WordPerfect Document |
| 251 | WLS | Software602, Inc. | 602Tab Document |
| 252 | WP | Corel | WordPerfect Document |
| 253 | WP4 | Corel | WordPerfect 4 Document |
| 254 | WP5 | Corel | WordPerfect 5 Document |
| 255 | WP6 | Corel | WordPerfect 6 Document |
| 256 | WP7 | Corel | WordPerfect 7 Document |
| 257 | WP? | N/A | Corel WordPerfect document |
| 258 | WPD | Corel | WordPerfect Document |
| 259 | WPF | Corel | WordPerfect Form |
| 260 | WPS | Microsoft | Microsoft Works Word Processor Document |
| 261 | WPT | Corel | WordPerfect Template |
| 262 | WPW | Corel Corporation | Corel WordPerfect Document Format |
| 263 | WRI | Microsoft | Windows Write Document |
| 264 | X16 | N/A | Macromedia extra document |
| 265 | XBRL | XBRL International | Extensible Business Reporting Language |
| 266 | XDP | Adobe Systems | XML Data Package |
| 267 | XEL | Microsoft | Expression Encoder Live Encoding Format |
| 268 | XFDF | Adobe Systems | Adobe Acrobat XFDF Format |
| 269 | XFDL | UWI | XFDL Format |
| 270 | XGMML | N/A | XGMML Graph Format |
| 271 | XLC | Microsoft | Excel Chart |
| 272 | XLC3 | Microsoft Corporation | Microsoft Excel 3 For Mac Chart |
| 273 | XLC4 | Microsoft Corporation | Microsoft Excel 4 For Mac Chart |
| 274 | XLC_ | Microsoft Corporation | Microsoft Excel 2 For Mac Chart |
| 275 | XLR | Microsoft | Works Spreadsheet |
| 276 | XLSHTML | Microsoft | Microsoft Excel HTML Spreadsheet |
| 277 | XLTHTML | Microsoft | Microsoft Excel HTML Spreadsheet Template |
| 278 | XMIND | XMind | XMind Workbook Format |
| 279 | XMLS | Microsoft Corporation | Microsoft Excel 2003 XML |
| 280 | XPS | Microsoft | XML Paper Specification Format |
| 281 | XSF | Microsoft | InfoPath Form Definition Format |
| 282 | XSN | Microsoft | InfoPath Form Template Format |
| 283 | YBHTM | Spacejock Software | YBook HTML |
| 284 | ZARGO | N/A | ArgoUML Model |
| 285 | ZAVE | N/A | QuarkXpress IPad Document |
| 286 | _DOCX | N/A | Renamed Microsoft Word Document |
| 287 | _PDF | N/A | Generic |
