| .ASHX | Microsoft Corporation | Plik Web | ASP.NET Web Handler File | LibreOffice | The Document Foundation |
| .ATT | Unknown Developer | Plik Web | Web Form Post Data File | LibreOffice | The Document Foundation |
| .AXD | Microsoft Corporation | Plik Web | ASP.NET Web Handler File | LibreOffice | The Document Foundation |
| .B | Rockstar Games | Pliki gier | Grand Theft Auto 3 Saved Game File | LibreOffice | The Document Foundation |
| .CF | Proofpoint, Inc. | Pliki konfiguracyjne | Sendmail Configuration File | LibreOffice | The Document Foundation |
| .CSV | Unknown Developer | Pliki z danymi | Comma Separated Values File | LibreOffice | The Document Foundation |
| .CVS | Unknown Developer | Pliki z danymi | Comma Separated Values File | LibreOffice | The Document Foundation |
| .DOC | Microsoft Corporation | Pliki tekstowe | Microsoft Word Document (before The 2007 Version) | LibreOffice | The Document Foundation |
| .DOCX | Microsoft Corporation | Pliki tekstowe | Microsoft Word Open XML Document | LibreOffice | The Document Foundation |
| .FAQ | The Document Foundation | Pliki z obrazami 3D | Frequently Asked Questions Document | LibreOffice | The Document Foundation |
| .HWP | Hancom, Inc. | Pliki tekstowe | Hanword Document | LibreOffice | The Document Foundation |
| .ICF | Zoom Telephonics | Pliki kopii zapasowej | Zoom Router Configuration File | LibreOffice | The Document Foundation |
| .JNLP | Oracle Corporation | Plik Web | Java Web Start File | LibreOffice | The Document Foundation |
| .LOL | Apple | Pliki wydawcy | LOLCODE Source Code FIle | LibreOffice | The Document Foundation |
| .LST | Unknown Developer | Pliki tekstowe | Data List | LibreOffice | The Document Foundation |
| .LYT | Adminsoft | Pliki z danymi | Adminsoft Document Layout File | LibreOffice | The Document Foundation |
| .MAB | Mozilla | Nietypowe Pliki | Mozilla Address Book | LibreOffice | The Document Foundation |
| .MAN | Unknown Developer | Pliki tekstowe | Unix Manual | LibreOffice | The Document Foundation |
| .ME | Unknown Developer | Nietypowe Pliki | Temporary Delete Me File | LibreOffice | The Document Foundation |
| .NFO | Microsoft Corporation | Pliki systemowe | System Information File | LibreOffice | The Document Foundation |
| .NOW | The Document Foundation | Pliki tekstowe | Readme Text Document File | LibreOffice | The Document Foundation |
| .ODB | Various Developers | Pliki z bazami danych | OpenDocument Database | LibreOffice | The Document Foundation |
| .ODF | Oracle Corporation | Nietypowe Pliki | OpenDocument Formula | LibreOffice | The Document Foundation |
| .ODG | Apache Software Foundation | Pliki z grafiką wektorową | OpenDocument Graphic File | LibreOffice | The Document Foundation |
| .ODM | Open Source | Pliki tekstowe | OpenDocument Master Document | LibreOffice | The Document Foundation |
| .ODP | Oracle Corporation | Pliki z danymi | OpenDocument Presentation | LibreOffice | The Document Foundation |
| .ODT | Oracle Corporation | Pliki tekstowe | OpenDocument Text Document | LibreOffice | The Document Foundation |
| .OOT | Apache HTTP Project Management Committee | Pliki z danymi | Apache OpenOffice Text Document | LibreOffice | The Document Foundation |
| .OTG | Apache Software Foundation | Pliki z grafiką wektorową | OpenDocument Graphic Template | LibreOffice | The Document Foundation |
| .OTP | Oracle Corporation | Pliki z danymi | OpenDocument Presentation | LibreOffice | The Document Foundation |
| .OTS | Apache Software Foundation | Pliki z arkuszami kalkulacyjnymi | OpenDocument Spreadsheet Template | LibreOffice | The Document Foundation |
| .OTT | Apache Software Foundation | Pliki tekstowe | OpenDocument Document Template | LibreOffice | The Document Foundation |
| .OXT | Sun Microsystems | Pliki z wtyczkami | Apache OpenOffice Extension | LibreOffice | The Document Foundation |
| .PAGES | Apple | Pliki tekstowe | Apple Pages Document | LibreOffice | The Document Foundation |
| .PDF | Adobe Systems Incorporated | Pliki z szatami graficznymi | Portable Document Format File | LibreOffice | The Document Foundation |
| .PPTX | Microsoft Corporation | Pliki z danymi | PowerPoint Open XML Presentation | LibreOffice | The Document Foundation |
| .PSW | Microsoft Corporation | Nietypowe Pliki | Windows Password Reset Disk File | LibreOffice | The Document Foundation |
| .PUB | Microsoft Corporation | Pliki z szatami graficznymi | Microsoft Publisher Document | LibreOffice | The Document Foundation |
| .PWI | Microsoft Corporation | Pliki tekstowe | Pocket Word Document | LibreOffice | The Document Foundation |
| .README | The Document Foundation | Pliki tekstowe | Readme Text Document File | LibreOffice | The Document Foundation |
| .RPT | SAP | Pliki z danymi | Crystal Reports File | LibreOffice | The Document Foundation |
| .RTX | The Document Foundation | Pliki tekstowe | Rich Text Document | LibreOffice | The Document Foundation |
| .SCRIPT | Unknown Developer | Pliki wykonywalne | Generic Script File | LibreOffice | The Document Foundation |
| .SDA | Oracle Corporation | Pliki z grafiką wektorową | StarOffice Drawing | LibreOffice | The Document Foundation |
| .SDC | Stardock Corporation | Pliki kopii zapasowej | Stardock Central Download Archive | LibreOffice | The Document Foundation |
| .SDD | Programming Sunrise | Pliki z danymi | Smart Diary Suite Data File | LibreOffice | The Document Foundation |
| .SDP | Oracle Corporation | Pliki z danymi | StarOffice Presentation File | LibreOffice | The Document Foundation |
| .SDV | Pinnacle Systems Inc. | Pliki wideo | Studio DV Project File | LibreOffice | The Document Foundation |
| .SDW | LizardTech | Pliki GIS | MrSID World File | LibreOffice | The Document Foundation |
| .SHT | The Document Foundation | Plik Web | HTML File With Server Side Includes | LibreOffice | The Document Foundation |
| .SMF | Oracle Corporation | Pliki tekstowe | StarMath Formula File | LibreOffice | The Document Foundation |
| .SMS | Sega | Pliki gier | Sega Master System ROM | LibreOffice | The Document Foundation |
| .SSC | Microsoft Corporation | Pliki wydawcy | SourceSafe Status File | LibreOffice | The Document Foundation |
| .STC | Adobe Systems Incorporated | Plik Web | Contribute Connection Key File | LibreOffice | The Document Foundation |
| .STD | Oracle Corporation | Pliki z grafiką wektorową | Apache OpenOffice Drawing Template | LibreOffice | The Document Foundation |
| .STI | Oracle Corporation | Pliki z danymi | StarOffice Presentation Template | LibreOffice | The Document Foundation |
| .STW | Oracle Corporation | Pliki tekstowe | StarOffice Document Template | LibreOffice | The Document Foundation |
| .SVM | Star Division | Pliki z grafiką rasterową | StarView Metafile | LibreOffice | The Document Foundation |
| .SXD | ESRI | Pliki GIS | ArcScene Document | LibreOffice | The Document Foundation |
| .SXG | Oracle Corporation | Pliki tekstowe | Apache OpenOffice Master Document | LibreOffice | The Document Foundation |
| .SXI | Oracle Corporation | Pliki z danymi | StarOffice Impress Presentation | LibreOffice | The Document Foundation |
| .SXW | Oracle Corporation | Pliki tekstowe | StarOffice Writer Document | LibreOffice | The Document Foundation |
| .TSV | Unknown Developer | Pliki z danymi | Tab Separated Values File | LibreOffice | The Document Foundation |
| .UOF | The Document Foundation | Pliki tekstowe | Uniform Office Document | LibreOffice | The Document Foundation |
| .VSD | Microsoft Corporation | Pliki z grafiką wektorową | Microsoft Visio Drawing File | LibreOffice | The Document Foundation |
| .VSDX | Microsoft Corporation | Pliki z grafiką wektorową | Visio Drawing | LibreOffice | The Document Foundation |
| .WDB | Microsoft Corporation | Pliki z bazami danych | Microsoft Works Database | LibreOffice | The Document Foundation |
| .WPS | Kingsoft | Pliki tekstowe | Kingsoft Writer Document | LibreOffice | The Document Foundation |
| .WRI | Microsoft Corporation | Pliki tekstowe | Microsoft Write Document | LibreOffice | The Document Foundation |
| .XLSX | Microsoft Corporation | Pliki z arkuszami kalkulacyjnymi | Microsoft Excel Open XML Spreadsheet | LibreOffice | The Document Foundation |
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