| .123 | IBM | Spreadsheetdateien | Lotus 1-2-3 Spreadsheet | Apache OpenOffice | Apache Software Foundation |
| .APT | Apache Software Foundation | Textdateien | Almost Plain Text File | Apache OpenOffice | Apache Software Foundation |
| .BAU | Sun Microsystems | Einstellungsdateien | Apache OpenOffice AutoText File | Apache OpenOffice | Apache Software Foundation |
| .BIN | Unknown Developer | Diskimagedateien | Binary Disk Image File | Apache OpenOffice | Apache Software Foundation |
| .CF | Proofpoint, Inc. | Einstellungsdateien | Sendmail Configuration File | Apache OpenOffice | Apache Software Foundation |
| .CSV | Unknown Developer | Textdateien | Comma Separated Values File | Apache OpenOffice | Apache Software Foundation |
| .CVS | Unknown Developer | Textdateien | Comma Separated Values File | Apache OpenOffice | Apache Software Foundation |
| .DB | Dwayne Richard Hipp | Datenbankdateien | Mobile Device Database File | Apache OpenOffice | Apache Software Foundation |
| .DBF | dBase, LLC | Datenbankdateien | Database File | Apache OpenOffice | Apache Software Foundation |
| .DIF | Microsoft Corporation | Textdateien | Data Interchange Format | Apache OpenOffice | Apache Software Foundation |
| .DOC | Microsoft Corporation | Textdateien | Microsoft Word Document (before The 2007 Version) | Apache OpenOffice | Apache Software Foundation |
| .DOCM | Microsoft Corporation | Textdateien | Word Open XML Macro-Enabled Document | Apache OpenOffice | Apache Software Foundation |
| .DON | Apache Software Foundation | Textdateien | Apache OpenOffice (OpenOffice.org) Log | Apache OpenOffice | Apache Software Foundation |
| .DOT | Microsoft Corporation | Seitenlayoutdateien | Word Document Template | Apache OpenOffice | Apache Software Foundation |
| .DOTM | Microsoft Corporation | Seitenlayoutdateien | Word 2007 XML Macro-Enabled Template | Apache OpenOffice | Apache Software Foundation |
| .DOTX | Microsoft Corporation | Seitenlayoutdateien | Word 2007 XML Template | Apache OpenOffice | Apache Software Foundation |
| .DPC | Microsoft Corporation | Textdateien | Microsoft Office Resource File | Apache OpenOffice | Apache Software Foundation |
| .DUMP | Microsoft Corporation | Systemdateien | Dump File | Apache OpenOffice | Apache Software Foundation |
| .EMF | Microsoft Corporation | Vektorbilddateien | Enhanced Windows Metafile | Apache OpenOffice | Apache Software Foundation |
| .HWP | Hancom, Inc. | Textdateien | Hanword Document | Apache OpenOffice | Apache Software Foundation |
| .JNLP | Oracle Corporation | Webdateien | Java Web Start File | Apache OpenOffice | Apache Software Foundation |
| .MAB | Mozilla | Sonstige Dateien | Mozilla Address Book | Apache OpenOffice | Apache Software Foundation |
| .MET | Emulex Corporation | Textdateien | eMule Resource File | Apache OpenOffice | Apache Software Foundation |
| .ODB | Various Developers | Datenbankdateien | OpenDocument Database | Apache OpenOffice | Apache Software Foundation |
| .ODC | Microsoft Corporation | Einstellungsdateien | Office Data Connection File | Apache OpenOffice | Apache Software Foundation |
| .ODCCUBEFILE | Apache Software Foundation | Sonstige Dateien | OpenDocument 1 Chart | Apache OpenOffice | Apache Software Foundation |
| .ODF | Oracle Corporation | Sonstige Dateien | OpenDocument Formula | Apache OpenOffice | Apache Software Foundation |
| .ODG | Apache Software Foundation | Vektorbilddateien | OpenDocument Graphic File | Apache OpenOffice | Apache Software Foundation |
| .ODI | Apache Software Foundation | Rasterbilddateien | OpenDocument Image | Apache OpenOffice | Apache Software Foundation |
| .ODM | Open Source | Textdateien | OpenDocument Master Document | Apache OpenOffice | Apache Software Foundation |
| .ODP | Oracle Corporation | Textdateien | OpenDocument Presentation | Apache OpenOffice | Apache Software Foundation |
| .ODT | Oracle Corporation | Textdateien | OpenDocument Text Document | Apache OpenOffice | Apache Software Foundation |
| .OOT | Apache HTTP Project Management Committee | Textdateien | Apache OpenOffice Text Document | Apache OpenOffice | Apache Software Foundation |
| .OTC | Apache Software Foundation | Sonstige Dateien | OpenDocument Chart Template | Apache OpenOffice | Apache Software Foundation |
| .OTG | Apache Software Foundation | Vektorbilddateien | OpenDocument Graphic Template | Apache OpenOffice | Apache Software Foundation |
| .OTH | Apache Software Foundation | Webdateien | OpenDocument HTML Template | Apache OpenOffice | Apache Software Foundation |
| .OTI | Apache Software Foundation | Rasterbilddateien | OpenDocument Image Template | Apache OpenOffice | Apache Software Foundation |
| .OTP | Oracle Corporation | Textdateien | OpenDocument Presentation | Apache OpenOffice | Apache Software Foundation |
| .OTS | Apache Software Foundation | Spreadsheetdateien | OpenDocument Spreadsheet Template | Apache OpenOffice | Apache Software Foundation |
| .OTT | Apache Software Foundation | Textdateien | OpenDocument Document Template | Apache OpenOffice | Apache Software Foundation |
| .OXT | Sun Microsystems | Plugindateien | Apache OpenOffice Extension | Apache OpenOffice | Apache Software Foundation |
| .PAR | Siemens PLM Software | CAD-Dateien | Solid Edge Part File | Apache OpenOffice | Apache Software Foundation |
| .PBA | Oracle Corporation | Plugindateien | OpenOffice.org Basic Protected Module File | Apache OpenOffice | Apache Software Foundation |
| .PCD | PokéCheats | Spieldateien | Pokémon Wonder Card File | Apache OpenOffice | Apache Software Foundation |
| .PMK | David Harris | Einstellungsdateien | Pegasus Mail Keyboard Settings | Apache OpenOffice | Apache Software Foundation |
| .PO | Sublime HQ Pty Ltd | Entwicklerdateien | Portable Object | Apache OpenOffice | Apache Software Foundation |
| .POT | Microsoft Corporation | Textdateien | PowerPoint Template | Apache OpenOffice | Apache Software Foundation |
| .PPS | Microsoft Corporation | Textdateien | PowerPoint Slide Show | Apache OpenOffice | Apache Software Foundation |
| .PPSX | Microsoft Corporation | Textdateien | PowerPoint Open XML Slide Show | Apache OpenOffice | Apache Software Foundation |
| .PPT | Microsoft Corporation | Textdateien | PowerPoint Presentation | Apache OpenOffice | Apache Software Foundation |
| .PPTX | Microsoft Corporation | Textdateien | PowerPoint Open XML Presentation | Apache OpenOffice | Apache Software Foundation |
| .PSV | Sony | Spieldateien | PlayStation 2 Save File | Apache OpenOffice | Apache Software Foundation |
| .PSW | Microsoft Corporation | Sonstige Dateien | Windows Password Reset Disk File | Apache OpenOffice | Apache Software Foundation |
| .PWI | Microsoft Corporation | Textdateien | Pocket Word Document | Apache OpenOffice | Apache Software Foundation |
| .RNG | Nokia | Audiodateien | Nokia Composer Ringtone | Apache OpenOffice | Apache Software Foundation |
| .SBL | Adobe Systems Incorporated | Grafikdateien | Shockwave Flash Object | Apache OpenOffice | Apache Software Foundation |
| .SDA | Oracle Corporation | Vektorbilddateien | StarOffice Drawing | Apache OpenOffice | Apache Software Foundation |
| .SDC | Stardock Corporation | Backupdateien | Stardock Central Download Archive | Apache OpenOffice | Apache Software Foundation |
| .SDD | Programming Sunrise | Textdateien | Smart Diary Suite Data File | Apache OpenOffice | Apache Software Foundation |
| .SDI | Intuit, Inc. | Textdateien | QuickBooks Data File | Apache OpenOffice | Apache Software Foundation |
| .SDP | Oracle Corporation | Textdateien | StarOffice Presentation File | Apache OpenOffice | Apache Software Foundation |
| .SDS | Oracle Corporation | Textdateien | OpenOffice.org Chart | Apache OpenOffice | Apache Software Foundation |
| .SDV | Pinnacle Systems Inc. | Videodateien | Studio DV Project File | Apache OpenOffice | Apache Software Foundation |
| .SDW | LizardTech | GIS-Dateien | MrSID World File | Apache OpenOffice | Apache Software Foundation |
| .SFS | Open Source | Komprimierte Dateien | Squashfs File Archive | Apache OpenOffice | Apache Software Foundation |
| .SKI | Motorola | Einstellungsdateien | Motorola Phone Skin File | Apache OpenOffice | Apache Software Foundation |
| .SKV | Microsoft Corporation | Textdateien | Semicolon Separated Values File | Apache OpenOffice | Apache Software Foundation |
| .SMF | Oracle Corporation | Textdateien | StarMath Formula File | Apache OpenOffice | Apache Software Foundation |
| .SMS | Sega | Spieldateien | Sega Master System ROM | Apache OpenOffice | Apache Software Foundation |
| .SOB | Apache Software Foundation | Rasterbilddateien | OpenOffice.org Impress Bimap Styles File | Apache OpenOffice | Apache Software Foundation |
| .SOC | Apache Software Foundation | Einstellungsdateien | OpenOffice.org Configuration File | Apache OpenOffice | Apache Software Foundation |
| .SOD | id Software | Spieldateien | Spear Of Destiny Data File | Apache OpenOffice | Apache Software Foundation |
| .SOF | Apache Software Foundation | Textdateien | Colour Palettes And Various Style Elements File | Apache OpenOffice | Apache Software Foundation |
| .SOG | Apache Software Foundation | Textdateien | Apache OpenOffice (OpenOffice.org) Colour Palettes | Apache OpenOffice | Apache Software Foundation |
| .SRS | Microsoft Corporation | Einstellungsdateien | Outlook Send/Receive Settings File | Apache OpenOffice | Apache Software Foundation |
| .STC | Adobe Systems Incorporated | Webdateien | Contribute Connection Key File | Apache OpenOffice | Apache Software Foundation |
| .STD | Oracle Corporation | Vektorbilddateien | Apache OpenOffice Drawing Template | Apache OpenOffice | Apache Software Foundation |
| .STI | Oracle Corporation | Textdateien | StarOffice Presentation Template | Apache OpenOffice | Apache Software Foundation |
| .STW | Oracle Corporation | Textdateien | StarOffice Document Template | Apache OpenOffice | Apache Software Foundation |
| .SVM | Star Division | Rasterbilddateien | StarView Metafile | Apache OpenOffice | Apache Software Foundation |
| .SWX | Apache Software Foundation | Textdateien | OpenOffice.org 1.0 Text Document | Apache OpenOffice | Apache Software Foundation |
| .SXD | ESRI | GIS-Dateien | ArcScene Document | Apache OpenOffice | Apache Software Foundation |
| .SXG | Oracle Corporation | Textdateien | Apache OpenOffice Master Document | Apache OpenOffice | Apache Software Foundation |
| .SXI | Oracle Corporation | Textdateien | StarOffice Impress Presentation | Apache OpenOffice | Apache Software Foundation |
| .SXW | Oracle Corporation | Textdateien | StarOffice Writer Document | Apache OpenOffice | Apache Software Foundation |
| .THM | Sony | Sonstige Dateien | Sony Ericsson Mobile Phone Theme File | Apache OpenOffice | Apache Software Foundation |
| .TSV | Unknown Developer | Textdateien | Tab Separated Values File | Apache OpenOffice | Apache Software Foundation |
| .UOF | The Document Foundation | Textdateien | Uniform Office Document | Apache OpenOffice | Apache Software Foundation |
| .URD | Kinook Software, Inc. | Datenbankdateien | Ultra Recall Database File | Apache OpenOffice | Apache Software Foundation |
| .VOR | Sun Microsystems | Sonstige Dateien | StarOffice Template | Apache OpenOffice | Apache Software Foundation |
| .VSDX | Microsoft Corporation | Vektorbilddateien | Visio Drawing | Apache OpenOffice | Apache Software Foundation |
| .WK! | IBM | Spreadsheetdateien | Lotus 1-2-3 Spreadsheet | Apache OpenOffice | Apache Software Foundation |
| .WKE | IBM | Spreadsheetdateien | Lotus 1-2-3 Educational Version Worksheet | Apache OpenOffice | Apache Software Foundation |
| .WR! | IBM | Spreadsheetdateien | Lotus 1-2-3 Spreadsheet | Apache OpenOffice | Apache Software Foundation |
| .XBA | Oracle Corporation | Plugindateien | OpenOffice.org Basic Module File | Apache OpenOffice | Apache Software Foundation |
| .XCU | Apache Software Foundation | Einstellungsdateien | OpenOffice.org Configuration File | Apache OpenOffice | Apache Software Foundation |
| .XLB | Microsoft Corporation | Einstellungsdateien | Excel Toolbars File | Apache OpenOffice | Apache Software Foundation |
| .XLSB | Microsoft Corporation | Spreadsheetdateien | Excel Binary Spreadsheet | Apache OpenOffice | Apache Software Foundation |
| .XLSX | Microsoft Corporation | Spreadsheetdateien | Microsoft Excel Open XML Spreadsheet | Apache OpenOffice | Apache Software Foundation |
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