| .SBL | Adobe Systems Incorporated | Fișiere grafice | Shockwave Flash Object | Apache OpenOffice | Apache Software Foundation |
| .SCRIPT | Unknown Developer | Fişiere executabile | Generic Script File | OpenOffice Writer | Apache Software Foundation |
| .SDA | Oracle Corporation | Fişiere de imagini vectoriale | StarOffice Drawing | Apache OpenOffice | Apache Software Foundation |
| .SDC | Stardock Corporation | Fişiere de rezervă | Stardock Central Download Archive | Apache OpenOffice | Apache Software Foundation |
| .SDD | Programming Sunrise | Fişiere de date | Smart Diary Suite Data File | Apache OpenOffice | Apache Software Foundation |
| .SDI | Intuit, Inc. | Fişiere de date | QuickBooks Data File | Apache OpenOffice | Apache Software Foundation |
| .SDP | Oracle Corporation | Fişiere de date | StarOffice Presentation File | Apache OpenOffice | Apache Software Foundation |
| .SDS | Oracle Corporation | Fişiere de date | OpenOffice.org Chart | Apache OpenOffice | Apache Software Foundation |
| .SDV | Pinnacle Systems Inc. | Fişiere video | Studio DV Project File | Apache OpenOffice | Apache Software Foundation |
| .SDW | LizardTech | Fişiere GIS | MrSID World File | Apache OpenOffice | Apache Software Foundation |
| .SFS | Open Source | Fişiere comprimate | Squashfs File Archive | Apache OpenOffice | Apache Software Foundation |
| .SILK | Microsoft Corporation | Fişiere foi de calcul | Microsoft Excel Symbolic Link Format | Apache OpenOffice Calc | Apache Software Foundation |
| .SKI | Motorola | Fişiere de setări | Motorola Phone Skin File | Apache OpenOffice | Apache Software Foundation |
| .SKV | Microsoft Corporation | Fişiere de date | Semicolon Separated Values File | Apache OpenOffice | Apache Software Foundation |
| .SMF | Oracle Corporation | Fişiere text | StarMath Formula File | Apache OpenOffice | Apache Software Foundation |
| .SMS | Sega | Fişiere de jocuri | Sega Master System ROM | Apache OpenOffice | Apache Software Foundation |
| .SOB | Apache Software Foundation | Fişiere de imagini rastru | OpenOffice.org Impress Bimap Styles File | Apache OpenOffice | Apache Software Foundation |
| .SOC | Apache Software Foundation | Fişiere de setări | OpenOffice.org Configuration File | Apache OpenOffice | Apache Software Foundation |
| .SOD | id Software | Fişiere de jocuri | Spear Of Destiny Data File | Apache OpenOffice | Apache Software Foundation |
| .SOF | Apache Software Foundation | Fişiere de date | Colour Palettes And Various Style Elements File | Apache OpenOffice | Apache Software Foundation |
| .SOG | Apache Software Foundation | Fişiere de date | Apache OpenOffice (OpenOffice.org) Colour Palettes | Apache OpenOffice | Apache Software Foundation |
| .SRS | Microsoft Corporation | Fişiere de setări | Outlook Send/Receive Settings File | Apache OpenOffice | Apache Software Foundation |
| .STC | Adobe Systems Incorporated | Fișiere web | Contribute Connection Key File | Apache OpenOffice | Apache Software Foundation |
| .STD | Oracle Corporation | Fişiere de imagini vectoriale | Apache OpenOffice Drawing Template | Apache OpenOffice | Apache Software Foundation |
| .STE | Adobe Systems Incorporated | Fişiere de setări | Dreamweaver Site Settings File | OpenOffice Writer | Apache Software Foundation |
| .STI | Oracle Corporation | Fişiere de date | StarOffice Presentation Template | Apache OpenOffice | Apache Software Foundation |
| .STM | Microsoft Corporation | Fişiere de date | Exchange Streaming Media File | Apache OpenOffice Calc | Apache Software Foundation |
| .STW | Oracle Corporation | Fişiere text | StarOffice Document Template | Apache OpenOffice | Apache Software Foundation |
| .SVM | Star Division | Fişiere de imagini rastru | StarView Metafile | Apache OpenOffice | Apache Software Foundation |
| .SVN | Apache Software Foundation | Fişiere de date | Subversion Data File | Subversion | Apache Software Foundation |
| .SWX | Apache Software Foundation | Fişiere text | OpenOffice.org 1.0 Text Document | Apache OpenOffice | Apache Software Foundation |
| .SXC | Sun Microsystems | Fişiere foi de calcul | StarOffice Calc Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |
| .SXD | ESRI | Fişiere GIS | ArcScene Document | Apache OpenOffice | Apache Software Foundation |
| .SXG | Oracle Corporation | Fişiere text | Apache OpenOffice Master Document | Apache OpenOffice | Apache Software Foundation |
| .SXI | Oracle Corporation | Fişiere de date | StarOffice Impress Presentation | Apache OpenOffice | Apache Software Foundation |
| .SXW | Oracle Corporation | Fişiere text | StarOffice Writer Document | Apache OpenOffice | Apache Software Foundation |
din 1 
