| .123 | IBM | Soubory tabulkového procesoru | Lotus 1-2-3 Spreadsheet | NeoOffice | Planamesa Software Inc. |
| .CSV | Unknown Developer | Datové soubory | Comma Separated Values File | NeoOffice | Planamesa Software Inc. |
| .CVS | Unknown Developer | Datové soubory | Comma Separated Values File | NeoOffice | Planamesa Software Inc. |
| .DB | Dwayne Richard Hipp | Databázové soubory | Mobile Device Database File | NeoOffice | Planamesa Software Inc. |
| .DBF | dBase, LLC | Databázové soubory | Database File | NeoOffice | Planamesa Software Inc. |
| .DIF | Microsoft Corporation | Datové soubory | Data Interchange Format | NeoOffice | Planamesa Software Inc. |
| .DOCM | Microsoft Corporation | Textové soubory | Word Open XML Macro-Enabled Document | NeoOffice | Planamesa Software Inc. |
| .DOTM | Microsoft Corporation | Soubory rozvržení stránky | Word 2007 XML Macro-Enabled Template | NeoOffice | Planamesa Software Inc. |
| .DOTX | Microsoft Corporation | Soubory rozvržení stránky | Word 2007 XML Template | NeoOffice | Planamesa Software Inc. |
| .HWP | Hancom, Inc. | Textové soubory | Hanword Document | NeoOffice | Planamesa Software Inc. |
| .IM8 | Sun Microsystems | Rastrové obrazové soubory | Sun Raster Graphic File | NeoOffice | Planamesa Software Inc. |
| .MET | Emulex Corporation | Datové soubory | eMule Resource File | NeoOffice | Planamesa Software Inc. |
| .ODB | Various Developers | Databázové soubory | OpenDocument Database | NeoOffice | Planamesa Software Inc. |
| .ODC | Microsoft Corporation | Soubory nastavení | Office Data Connection File | NeoOffice | Planamesa Software Inc. |
| .ODG | Apache Software Foundation | Vektorové obrazové soubory | OpenDocument Graphic File | NeoOffice | Planamesa Software Inc. |
| .ODI | Apache Software Foundation | Rastrové obrazové soubory | OpenDocument Image | NeoOffice | Planamesa Software Inc. |
| .ODS | Oracle Corporation | Soubory tabulkového procesoru | OpenDocument Spreadsheet | NeoOffice | Planamesa Software Inc. |
| .ODT | Oracle Corporation | Textové soubory | OpenDocument Text Document | NeoOffice | Planamesa Software Inc. |
| .OTC | Apache Software Foundation | Neobvyklé soubory | OpenDocument Chart Template | NeoOffice | Planamesa Software Inc. |
| .OTG | Apache Software Foundation | Vektorové obrazové soubory | OpenDocument Graphic Template | NeoOffice | Planamesa Software Inc. |
| .OTI | Apache Software Foundation | Rastrové obrazové soubory | OpenDocument Image Template | NeoOffice | Planamesa Software Inc. |
| .OXT | Sun Microsystems | Soubory doplňků | Apache OpenOffice Extension | NeoOffice | Planamesa Software Inc. |
| .PCD | PokéCheats | Soubory her | Pokémon Wonder Card File | NeoOffice | Planamesa Software Inc. |
| .POTM | Microsoft Corporation | Datové soubory | PowerPoint Open XML Macro-Enabled Presentation Template | NeoOffice | Planamesa Software Inc. |
| .POTX | Microsoft Corporation | Datové soubory | PowerPoint Open XML Presentation Template | NeoOffice | Planamesa Software Inc. |
| .PPM | The GIMP Development Team | Rastrové obrazové soubory | Portable Pixmap Image File | NeoOffice | Planamesa Software Inc. |
| .PSW | Microsoft Corporation | Neobvyklé soubory | Windows Password Reset Disk File | NeoOffice | Planamesa Software Inc. |
| .PWI | Microsoft Corporation | Textové soubory | Pocket Word Document | NeoOffice | Planamesa Software Inc. |
| .PXL | Microsoft Corporation | Datové soubory | Pocket Excel File | NeoOffice | Planamesa Software Inc. |
| .RAS | Remedy Entertainment | Soubory her | Remedy Archive System File | NeoOffice | Planamesa Software Inc. |
| .SDC | Stardock Corporation | Soubory záloh | Stardock Central Download Archive | NeoOffice | Planamesa Software Inc. |
| .SDD | Programming Sunrise | Datové soubory | Smart Diary Suite Data File | NeoOffice | Planamesa Software Inc. |
| .SDP | Oracle Corporation | Datové soubory | StarOffice Presentation File | NeoOffice | Planamesa Software Inc. |
| .SMF | Oracle Corporation | Textové soubory | StarMath Formula File | NeoOffice | Planamesa Software Inc. |
| .STC | Adobe Systems Incorporated | Webové soubory | Contribute Connection Key File | NeoOffice | Planamesa Software Inc. |
| .STD | Oracle Corporation | Vektorové obrazové soubory | Apache OpenOffice Drawing Template | NeoOffice | Planamesa Software Inc. |
| .STI | Oracle Corporation | Datové soubory | StarOffice Presentation Template | NeoOffice | Planamesa Software Inc. |
| .STW | Oracle Corporation | Textové soubory | StarOffice Document Template | NeoOffice | Planamesa Software Inc. |
| .SUN | Sun Microsystems | Rastrové obrazové soubory | Sun Raster Graphic File | NeoOffice | Planamesa Software Inc. |
| .SXC | Sun Microsystems | Soubory tabulkového procesoru | StarOffice Calc Spreadsheet | NeoOffice | Planamesa Software Inc. |
| .SXI | Oracle Corporation | Datové soubory | StarOffice Impress Presentation | NeoOffice | Planamesa Software Inc. |
| .VOR | Sun Microsystems | Neobvyklé soubory | StarOffice Template | NeoOffice | Planamesa Software Inc. |
| .WK! | IBM | Soubory tabulkového procesoru | Lotus 1-2-3 Spreadsheet | NeoOffice | Planamesa Software Inc. |
| .WK1 | IBM | Datové soubory | Lotus Worksheet | NeoOffice | Planamesa Software Inc. |
| .WP | Corel | Textové soubory | WordPerfect Document | NeoOffice | Planamesa Software Inc. |
| .WPD | Corel | Textové soubory | WordPerfect Document | NeoOffice | Planamesa Software Inc. |
| .WPS | Kingsoft | Textové soubory | Kingsoft Writer Document | NeoOffice | Planamesa Software Inc. |
| .WR! | IBM | Soubory tabulkového procesoru | Lotus 1-2-3 Spreadsheet | NeoOffice | Planamesa Software Inc. |
| .WRI | Microsoft Corporation | Textové soubory | Microsoft Write Document | NeoOffice | Planamesa Software Inc. |
| .XLS | Microsoft Corporation | Soubory tabulkového procesoru | Microsoft Excel 97 To 2003 Spreadsheet | NeoOffice | Planamesa Software Inc. |
| .XLW | Microsoft Corporation | Datové soubory | Microsoft Excel Workspace | NeoOffice | Planamesa Software Inc. |
| .XPM | XnSoft | Rastrové obrazové soubory | X11 Pixmap Graphic | NeoOffice | Planamesa Software Inc. |
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