| .ASHX | Microsoft Corporation | Webdateien | ASP.NET Web Handler File | LibreOffice | The Document Foundation |
| .ATT | Unknown Developer | Webdateien | Web Form Post Data File | LibreOffice | The Document Foundation |
| .AXD | Microsoft Corporation | Webdateien | ASP.NET Web Handler File | LibreOffice | The Document Foundation |
| .B | Rockstar Games | Spieldateien | Grand Theft Auto 3 Saved Game File | LibreOffice | The Document Foundation |
| .CF | Proofpoint, Inc. | Einstellungsdateien | Sendmail Configuration File | LibreOffice | The Document Foundation |
| .CSV | Unknown Developer | Textdateien | Comma Separated Values File | LibreOffice | The Document Foundation |
| .CVS | Unknown Developer | Textdateien | Comma Separated Values File | LibreOffice | The Document Foundation |
| .DBF | dBase, LLC | Datenbankdateien | Database File | LibreOffice Base | The Document Foundation |
| .DIZ | Unknown Developer | Textdateien | Description In Zip File | LibreOffice Calc | The Document Foundation |
| .DOC | Microsoft Corporation | Textdateien | Microsoft Word Document (before The 2007 Version) | LibreOffice | The Document Foundation |
| .DOCX | Microsoft Corporation | Textdateien | Microsoft Word Open XML Document | LibreOffice | The Document Foundation |
| .FAQ | The Document Foundation | 3D-Dateien | Frequently Asked Questions Document | LibreOffice | The Document Foundation |
| .HWP | Hancom, Inc. | Textdateien | Hanword Document | LibreOffice | The Document Foundation |
| .ICF | Zoom Telephonics | Backupdateien | Zoom Router Configuration File | LibreOffice | The Document Foundation |
| .JNLP | Oracle Corporation | Webdateien | Java Web Start File | LibreOffice | The Document Foundation |
| .LOL | Apple | Entwicklerdateien | LOLCODE Source Code FIle | LibreOffice | The Document Foundation |
| .LST | Unknown Developer | Textdateien | Data List | LibreOffice | The Document Foundation |
| .LYT | Adminsoft | Textdateien | Adminsoft Document Layout File | LibreOffice | The Document Foundation |
| .MAB | Mozilla | Sonstige Dateien | Mozilla Address Book | LibreOffice | The Document Foundation |
| .MAN | Unknown Developer | Textdateien | Unix Manual | LibreOffice | The Document Foundation |
| .ME | Unknown Developer | Sonstige Dateien | Temporary Delete Me File | LibreOffice | The Document Foundation |
| .NFO | Microsoft Corporation | Systemdateien | System Information File | LibreOffice | The Document Foundation |
| .NOW | The Document Foundation | Textdateien | Readme Text Document File | LibreOffice | The Document Foundation |
| .ODB | Various Developers | Datenbankdateien | OpenDocument Database | LibreOffice | The Document Foundation |
| .ODF | Oracle Corporation | Sonstige Dateien | OpenDocument Formula | LibreOffice | The Document Foundation |
| .ODG | Apache Software Foundation | Vektorbilddateien | OpenDocument Graphic File | LibreOffice | The Document Foundation |
| .ODM | Open Source | Textdateien | OpenDocument Master Document | LibreOffice | The Document Foundation |
| .ODP | Oracle Corporation | Textdateien | OpenDocument Presentation | LibreOffice | The Document Foundation |
| .ODS | Oracle Corporation | Spreadsheetdateien | OpenDocument Spreadsheet | LibreOffice Calc | The Document Foundation |
| .ODT | Oracle Corporation | Textdateien | OpenDocument Text Document | LibreOffice | The Document Foundation |
| .OOT | Apache HTTP Project Management Committee | Textdateien | Apache OpenOffice Text Document | LibreOffice | The Document Foundation |
| .OTG | Apache Software Foundation | Vektorbilddateien | OpenDocument Graphic Template | LibreOffice | The Document Foundation |
| .OTP | Oracle Corporation | Textdateien | OpenDocument Presentation | LibreOffice | The Document Foundation |
| .OTS | Apache Software Foundation | Spreadsheetdateien | OpenDocument Spreadsheet Template | LibreOffice | The Document Foundation |
| .OTT | Apache Software Foundation | Textdateien | OpenDocument Document Template | LibreOffice | The Document Foundation |
| .OXT | Sun Microsystems | Plugindateien | Apache OpenOffice Extension | LibreOffice | The Document Foundation |
| .PAGES | Apple | Textdateien | Apple Pages Document | LibreOffice | The Document Foundation |
| .PDF | Adobe Systems Incorporated | Seitenlayoutdateien | Portable Document Format File | LibreOffice | The Document Foundation |
| .POTX | Microsoft Corporation | Textdateien | PowerPoint Open XML Presentation Template | LibreOffice Impress | The Document Foundation |
| .PPTX | Microsoft Corporation | Textdateien | PowerPoint Open XML Presentation | LibreOffice | The Document Foundation |
| .PSW | Microsoft Corporation | Sonstige Dateien | Windows Password Reset Disk File | LibreOffice | The Document Foundation |
| .PUB | Microsoft Corporation | Seitenlayoutdateien | Microsoft Publisher Document | LibreOffice | The Document Foundation |
| .PWI | Microsoft Corporation | Textdateien | Pocket Word Document | LibreOffice | The Document Foundation |
| .README | The Document Foundation | Textdateien | Readme Text Document File | LibreOffice | The Document Foundation |
| .RPT | SAP | Textdateien | Crystal Reports File | LibreOffice | The Document Foundation |
| .RTX | The Document Foundation | Textdateien | Rich Text Document | LibreOffice | The Document Foundation |
| .SCRIPT | Unknown Developer | Ausführbare Dateien | Generic Script File | LibreOffice | The Document Foundation |
| .SDA | Oracle Corporation | Vektorbilddateien | StarOffice Drawing | LibreOffice | The Document Foundation |
| .SDC | Stardock Corporation | Backupdateien | Stardock Central Download Archive | LibreOffice | The Document Foundation |
| .SDD | Programming Sunrise | Textdateien | Smart Diary Suite Data File | LibreOffice | The Document Foundation |
| .SDP | Oracle Corporation | Textdateien | StarOffice Presentation File | LibreOffice | The Document Foundation |
| .SDV | Pinnacle Systems Inc. | Videodateien | Studio DV Project File | LibreOffice | The Document Foundation |
| .SDW | LizardTech | GIS-Dateien | MrSID World File | LibreOffice | The Document Foundation |
| .SHT | The Document Foundation | Webdateien | HTML File With Server Side Includes | LibreOffice | The Document Foundation |
| .SMF | Oracle Corporation | Textdateien | StarMath Formula File | LibreOffice | The Document Foundation |
| .SMS | Sega | Spieldateien | Sega Master System ROM | LibreOffice | The Document Foundation |
| .SSC | Microsoft Corporation | Entwicklerdateien | SourceSafe Status File | LibreOffice | The Document Foundation |
| .STC | Adobe Systems Incorporated | Webdateien | Contribute Connection Key File | LibreOffice | The Document Foundation |
| .STD | Oracle Corporation | Vektorbilddateien | Apache OpenOffice Drawing Template | LibreOffice | The Document Foundation |
| .STI | Oracle Corporation | Textdateien | StarOffice Presentation Template | LibreOffice | The Document Foundation |
| .STM | Microsoft Corporation | Textdateien | Exchange Streaming Media File | LibreOffice Calc | The Document Foundation |
| .STW | Oracle Corporation | Textdateien | StarOffice Document Template | LibreOffice | The Document Foundation |
| .SVM | Star Division | Rasterbilddateien | StarView Metafile | LibreOffice | The Document Foundation |
| .SXC | Sun Microsystems | Spreadsheetdateien | StarOffice Calc Spreadsheet | LibreOffice Calc | The Document Foundation |
| .SXD | ESRI | GIS-Dateien | ArcScene Document | LibreOffice | The Document Foundation |
| .SXG | Oracle Corporation | Textdateien | Apache OpenOffice Master Document | LibreOffice | The Document Foundation |
| .SXI | Oracle Corporation | Textdateien | StarOffice Impress Presentation | LibreOffice | The Document Foundation |
| .SXW | Oracle Corporation | Textdateien | StarOffice Writer Document | LibreOffice | The Document Foundation |
| .TSV | Unknown Developer | Textdateien | Tab Separated Values File | LibreOffice | The Document Foundation |
| .UOF | The Document Foundation | Textdateien | Uniform Office Document | LibreOffice | The Document Foundation |
| .VSD | Microsoft Corporation | Vektorbilddateien | Microsoft Visio Drawing File | LibreOffice | The Document Foundation |
| .VSDX | Microsoft Corporation | Vektorbilddateien | Visio Drawing | LibreOffice | The Document Foundation |
| .WDB | Microsoft Corporation | Datenbankdateien | Microsoft Works Database | LibreOffice | The Document Foundation |
| .WK1 | IBM | Textdateien | Lotus Worksheet | LibreOffice Calc | The Document Foundation |
| .WPS | Kingsoft | Textdateien | Kingsoft Writer Document | LibreOffice | The Document Foundation |
| .WRI | Microsoft Corporation | Textdateien | Microsoft Write Document | LibreOffice | The Document Foundation |
| .XLS | Microsoft Corporation | Spreadsheetdateien | Microsoft Excel 97 To 2003 Spreadsheet | LibreOffice Calc | The Document Foundation |
| .XLSX | Microsoft Corporation | Spreadsheetdateien | Microsoft Excel Open XML Spreadsheet | LibreOffice | The Document Foundation |
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