| .123 | IBM | Fichiers de feuille de calcul | Lotus 1-2-3 Spreadsheet | Apache OpenOffice | Apache Software Foundation |
| .AAR | Apache Software Foundation | Fichiers de données | Axis Archive | Apache Axis2 | Apache Software Foundation |
| .APT | Apache Software Foundation | Fichiers textes | Almost Plain Text File | Apache OpenOffice | Apache Software Foundation |
| .ASHX | Microsoft Corporation | Fichiers Web | ASP.NET Web Handler File | OpenOffice Writer | Apache Software Foundation |
| .ASP | Microsoft Corporation | Fichiers Web | Active Server Page | OpenOffice Writer | Apache Software Foundation |
| .ATT | Unknown Developer | Fichiers Web | Web Form Post Data File | OpenOffice Writer | Apache Software Foundation |
| .AXD | Microsoft Corporation | Fichiers Web | ASP.NET Web Handler File | OpenOffice Writer | Apache Software Foundation |
| .B | Rockstar Games | Fichiers de jeu | Grand Theft Auto 3 Saved Game File | OpenOffice Writer | Apache Software Foundation |
| .BAU | Sun Microsystems | Fichiers de paramètres | Apache OpenOffice AutoText File | Apache OpenOffice | Apache Software Foundation |
| .BIN | Unknown Developer | Fichiers d’image de disque | Binary Disk Image File | Apache OpenOffice | Apache Software Foundation |
| .CF | Proofpoint, Inc. | Fichiers de paramètres | Sendmail Configuration File | Apache OpenOffice | Apache Software Foundation |
| .CFG | Unknown Developer | Fichiers de développeurs | Configuration File | OpenOffice Writer | Apache Software Foundation |
| .CFS | Apache HTTP Project Management Committee | Fichiers divers | Lucene Compound Index File | Apache Lucene | Apache Software Foundation |
| .CONFIG | Unknown Developer | Fichiers de développeurs | Configuration File | OpenOffice Writer | Apache Software Foundation |
| .CPIO | Power Software Ltd | Fichiers encodés | Unix CPIO Archive | Apache Commons Compress | Apache Software Foundation |
| .CSV | Unknown Developer | Fichiers de données | Comma Separated Values File | Apache OpenOffice | Apache Software Foundation |
| .CVS | Unknown Developer | Fichiers de données | Comma Separated Values File | Apache OpenOffice | Apache Software Foundation |
| .DB | Dwayne Richard Hipp | Fichiers de base de données | Mobile Device Database File | Apache OpenOffice | Apache Software Foundation |
| .DBF | dBase, LLC | Fichiers de base de données | Database File | Apache OpenOffice | Apache Software Foundation |
| .DIF | Microsoft Corporation | Fichiers de données | Data Interchange Format | Apache OpenOffice | Apache Software Foundation |
| .DIZ | Unknown Developer | Fichiers textes | Description In Zip File | OpenOffice Writer | Apache Software Foundation |
| .DO | Unknown Developer | Fichiers Web | Java Servlet | Apache Tomcat | Apache Software Foundation |
| .DOC | Microsoft Corporation | Fichiers textes | Microsoft Word Document (before The 2007 Version) | Apache OpenOffice | Apache Software Foundation |
| .DOCM | Microsoft Corporation | Fichiers textes | Word Open XML Macro-Enabled Document | Apache OpenOffice | Apache Software Foundation |
| .DOCX | Microsoft Corporation | Fichiers textes | Microsoft Word Open XML Document | OpenOffice Writer | Apache Software Foundation |
| .DON | Apache Software Foundation | Fichiers de données | Apache OpenOffice (OpenOffice.org) Log | Apache OpenOffice | Apache Software Foundation |
| .DOT | Microsoft Corporation | Fichiers de mise en page | Word Document Template | Apache OpenOffice | Apache Software Foundation |
| .DOTM | Microsoft Corporation | Fichiers de mise en page | Word 2007 XML Macro-Enabled Template | Apache OpenOffice | Apache Software Foundation |
| .DOTX | Microsoft Corporation | Fichiers de mise en page | Word 2007 XML Template | Apache OpenOffice | Apache Software Foundation |
| .DPC | Microsoft Corporation | Fichiers de données | Microsoft Office Resource File | Apache OpenOffice | Apache Software Foundation |
| .DUMP | Microsoft Corporation | Fichiers système | Dump File | Apache OpenOffice | Apache Software Foundation |
| .EAR | Oracle Corporation | Fichiers exécutables | Java Enterprise Archive File | Apache Geronimo | Apache Software Foundation |
| .EMF | Microsoft Corporation | Fichiers d’image vectorielle | Enhanced Windows Metafile | Apache OpenOffice | Apache Software Foundation |
| .FAQ | The Document Foundation | Fichiers 3D | Frequently Asked Questions Document | OpenOffice Writer | Apache Software Foundation |
| .FDT | Final Draft | Fichiers textes | Final Draft 5-7 Template | Apache Lucene | Apache Software Foundation |
| .FPR | Hewlett-Packard | Fichiers de données | Audit Workbench Project | OpenOffice Writer | Apache Software Foundation |
| .FRQ | Open Source | Fichiers de données | Bibexcel File | Apache Lucene | Apache Software Foundation |
| .FTL | Apache Software Foundation | Fichiers de développeurs | FreeMarker Template File | FreeMaker | Apache Software Foundation |
| .GFW | Open Source | Fichiers GIS | GIF World File | OpenOffice Writer | Apache Software Foundation |
| .HRL | Ericsson Computer Science Laboratory | Fichiers de développeurs | Erlang Header File | OpenOffice Writer | Apache Software Foundation |
| .HTACCESS | Apache Software Foundation | Fichiers Web | Apache HTACCESS File | Apache HTTP Server | Apache Software Foundation |
| .HWP | Hancom, Inc. | Fichiers textes | Hanword Document | Apache OpenOffice | Apache Software Foundation |
| .ICF | Zoom Telephonics | Fichiers de sauvegarde | Zoom Router Configuration File | OpenOffice Writer | Apache Software Foundation |
| .JNLP | Oracle Corporation | Fichiers Web | Java Web Start File | Apache OpenOffice | Apache Software Foundation |
| .JS | NetScape | Fichiers Web | JavaScript File | OpenOffice Writer | Apache Software Foundation |
| .JSCRIPT | NetScape | Fichiers Web | JavaScript File | OpenOffice Writer | Apache Software Foundation |
| .JSW | JustSystems | Fichiers textes | Ichitaro 4.0 Document | Apache Tomcat | Apache Software Foundation |
| .JTL | Apache Software Foundation | Fichiers de données | JMeter Test Results Data File | Apache JMeter | Apache Software Foundation |
| .LDI | Trudi Ersvaer (co-developer) | Fichiers textes | LDIF File | Apache Directory Server/Studio | Apache Software Foundation |
| .LST | Unknown Developer | Fichiers textes | Data List | OpenOffice Writer | Apache Software Foundation |
| .LYT | Adminsoft | Fichiers de données | Adminsoft Document Layout File | OpenOffice Writer | Apache Software Foundation |
| .MAB | Mozilla | Fichiers divers | Mozilla Address Book | Apache OpenOffice | Apache Software Foundation |
| .ME | Unknown Developer | Fichiers divers | Temporary Delete Me File | OpenOffice Writer | Apache Software Foundation |
| .MET | Emulex Corporation | Fichiers de données | eMule Resource File | Apache OpenOffice | Apache Software Foundation |
| .NFO | Microsoft Corporation | Fichiers système | System Information File | OpenOffice Writer | Apache Software Foundation |
| .NOW | The Document Foundation | Fichiers textes | Readme Text Document File | OpenOffice Writer | Apache Software Foundation |
| .OBR | Micro Focus International plc | Fichiers de développeurs | Borland C++ Object Browser Data | Apache Tomcat | Apache Software Foundation |
| .ODB | Various Developers | Fichiers de base de données | OpenDocument Database | Apache OpenOffice | Apache Software Foundation |
| .ODC | Microsoft Corporation | Fichiers de paramètres | Office Data Connection File | Apache OpenOffice | Apache Software Foundation |
| .ODCCUBEFILE | Apache Software Foundation | Fichiers divers | OpenDocument 1 Chart | Apache OpenOffice | Apache Software Foundation |
| .ODF | Oracle Corporation | Fichiers divers | OpenDocument Formula | Apache OpenOffice | Apache Software Foundation |
| .ODG | Apache Software Foundation | Fichiers d’image vectorielle | OpenDocument Graphic File | Apache OpenOffice | Apache Software Foundation |
| .ODI | Apache Software Foundation | Fichiers Raster Image | OpenDocument Image | Apache OpenOffice | Apache Software Foundation |
| .ODM | Open Source | Fichiers textes | OpenDocument Master Document | Apache OpenOffice | Apache Software Foundation |
| .ODP | Oracle Corporation | Fichiers de données | OpenDocument Presentation | Apache OpenOffice | Apache Software Foundation |
| .ODS | Oracle Corporation | Fichiers de feuille de calcul | OpenDocument Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |
| .ODT | Oracle Corporation | Fichiers textes | OpenDocument Text Document | Apache OpenOffice | Apache Software Foundation |
| .OOS | Apache Software Foundation | Fichiers de feuille de calcul | Apache OpenOffice (OpenOffice.org) Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |
| .OOT | Apache HTTP Project Management Committee | Fichiers de données | Apache OpenOffice Text Document | Apache OpenOffice | Apache Software Foundation |
| .OTC | Apache Software Foundation | Fichiers divers | OpenDocument Chart Template | Apache OpenOffice | Apache Software Foundation |
| .OTG | Apache Software Foundation | Fichiers d’image vectorielle | OpenDocument Graphic Template | Apache OpenOffice | Apache Software Foundation |
| .OTH | Apache Software Foundation | Fichiers Web | OpenDocument HTML Template | Apache OpenOffice | Apache Software Foundation |
| .OTI | Apache Software Foundation | Fichiers Raster Image | OpenDocument Image Template | Apache OpenOffice | Apache Software Foundation |
| .OTP | Oracle Corporation | Fichiers de données | OpenDocument Presentation | Apache OpenOffice | Apache Software Foundation |
| .OTS | Apache Software Foundation | Fichiers de feuille de calcul | OpenDocument Spreadsheet Template | Apache OpenOffice | Apache Software Foundation |
| .OTT | Apache Software Foundation | Fichiers textes | OpenDocument Document Template | Apache OpenOffice | Apache Software Foundation |
| .OXT | Sun Microsystems | Fichiers de plugin | Apache OpenOffice Extension | Apache OpenOffice | Apache Software Foundation |
| .PAR | Siemens PLM Software | Fichiers CAD | Solid Edge Part File | Apache OpenOffice | Apache Software Foundation |
| .PBA | Oracle Corporation | Fichiers de plugin | OpenOffice.org Basic Protected Module File | Apache OpenOffice | Apache Software Foundation |
| .PCD | PokéCheats | Fichiers de jeu | Pokémon Wonder Card File | Apache OpenOffice | Apache Software Foundation |
| .PHTML | Opera Software | Fichiers Web | PHP Web Page | Apache Tomcat | Apache Software Foundation |
| .PMK | David Harris | Fichiers de paramètres | Pegasus Mail Keyboard Settings | Apache OpenOffice | Apache Software Foundation |
| .PO | Sublime HQ Pty Ltd | Fichiers de développeurs | Portable Object | Apache OpenOffice | Apache Software Foundation |
| .POM | Apache Software Foundation | Fichiers divers | Maven Build File | Maven | Apache Software Foundation |
| .POT | Microsoft Corporation | Fichiers de données | PowerPoint Template | Apache OpenOffice | Apache Software Foundation |
| .POTX | Microsoft Corporation | Fichiers de données | PowerPoint Open XML Presentation Template | OpenOffice Impress | Apache Software Foundation |
| .PPS | Microsoft Corporation | Fichiers de données | PowerPoint Slide Show | Apache OpenOffice | Apache Software Foundation |
| .PPSX | Microsoft Corporation | Fichiers de données | PowerPoint Open XML Slide Show | Apache OpenOffice | Apache Software Foundation |
| .PPT | Microsoft Corporation | Fichiers de données | PowerPoint Presentation | Apache OpenOffice | Apache Software Foundation |
| .PPTX | Microsoft Corporation | Fichiers de données | PowerPoint Open XML Presentation | Apache OpenOffice | Apache Software Foundation |
| .PRG | Open Source | Fichiers exécutables | Program File | OpenOffice Writer | Apache Software Foundation |
| .PSV | Sony | Fichiers de jeu | PlayStation 2 Save File | Apache OpenOffice | Apache Software Foundation |
| .PSW | Microsoft Corporation | Fichiers divers | Windows Password Reset Disk File | Apache OpenOffice | Apache Software Foundation |
| .PWI | Microsoft Corporation | Fichiers textes | Pocket Word Document | Apache OpenOffice | Apache Software Foundation |
| .README | The Document Foundation | Fichiers textes | Readme Text Document File | OpenOffice Writer | Apache Software Foundation |
| .RNG | Nokia | Fichiers audio | Nokia Composer Ringtone | Apache OpenOffice | Apache Software Foundation |
| .RPT | SAP | Fichiers de données | Crystal Reports File | OpenOffice Writer | Apache Software Foundation |
| .SBL | Adobe Systems Incorporated | Fichiers graphiques | Shockwave Flash Object | Apache OpenOffice | Apache Software Foundation |
| .SCRIPT | Unknown Developer | Fichiers exécutables | Generic Script File | OpenOffice Writer | Apache Software Foundation |
| .SDA | Oracle Corporation | Fichiers d’image vectorielle | StarOffice Drawing | Apache OpenOffice | Apache Software Foundation |
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