| .SAF | DeLorme | Ficheiros GIS | Street Atlas USA Map File | DeLorme Street Atlas USA | DeLorme |
| .SBN | ESRI | Ficheiros GIS | ESRI Spatial Binary File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SBP | Autodesk, Inc. | Ficheiros GIS | Sketchbook Express iCloud Image | SketchBook | Autodesk, Inc. |
| .SDC | Stardock Corporation | Ficheiros GIS | Stardock Central Download Archive | Stardock Central | Stardock Corporation |
| .SDF | Microsoft Corporation | Ficheiros GIS | SQL Server Compact Database File | Microsoft Visual Studio | Microsoft Corporation |
| .SDI | Intuit, Inc. | Ficheiros GIS | QuickBooks Data File | Intuit QuickBooks Pro | Intuit, Inc. |
| .SDM | Oracle Corporation | Ficheiros GIS | StarOffice Mail Message | StarOffice | Oracle Corporation |
| .SDW | LizardTech | Ficheiros GIS | MrSID World File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SHP | Autodesk, Inc. | Ficheiros GIS | AutoCAD Shape File | Autodesk AutoCAD Ecscad | Autodesk, Inc. |
| .SLD | ESRI (Environmental Systems Research Institute) | Ficheiros GIS | Styled Layer Descriptor | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SMM | Samsung Electronics | Ficheiros GIS | Samsung Memo File | Samsung Kies | Samsung Electronics |
| .SMP | MakeMusic, Inc. | Ficheiros GIS | SmartMusic Performance File | SmartMusic | MakeMusic, Inc. |
| .SOS | 3AM Solutions | Ficheiros GIS | Dynamite VSP Swept Object Style File | Dynamite VSP | 3AM Solutions |
| .SSF | Unknown Developer | Ficheiros GIS | Structured Subtitle Format File | Microsoft Notepad | Microsoft Corporation |
| .STN | ON1, Inc. | Ficheiros GIS | Genuine Fractals Image | Adobe Photoshop | Adobe Systems Incorporated |
| .STT | Microsoft Corporation | Ficheiros GIS | Streets & Trips Map Template | Microsoft AutoRoute | Microsoft Corporation |
| .STYLE | Trimble Inc. | Ficheiros GIS | SketchUp Style | SketchUp | Trimble Inc. |
| .SVX | The Survex Project | Ficheiros GIS | Survex Cavern Data File | Microsoft Notepad | Microsoft Corporation |
| .SXD | ESRI | Ficheiros GIS | ArcScene Document | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SXF | KB Panorama | Ficheiros GIS | Storage And eXchange Format File | GIS Panorama | KB Panorama |
| .SYM | The Eclipse Foundation | Ficheiros GIS | Symbols File | Eclipse CDT | The Eclipse Foundation |
| .TAB | Microsoft Corporation | Ficheiros GIS | Tab Separated Data File | Microsoft Excel | Microsoft Corporation |
| .TAT | ESRI (Environmental Systems Research Institute) | Ficheiros GIS | ESRI Geographic Text Attribute Table | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TFW | ESRI | Ficheiros GIS | World File For TIFF | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TGR | The U.S. Census Bureau | Ficheiros GIS | Tiger Line Data | Unknown Software | Unknown Developer |
| .TH | Open Source | Ficheiros GIS | Therion Data File | Therion | Open Source |
| .TIC | ESRI | Ficheiros GIS | ArcInfo Coordinates File | ArcInfo | ESRI |
| .TIMESTAMP | ESRI | Ficheiros GIS | Geodatabase Timestamp File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TPQ | National Geographic maps | Ficheiros GIS | TOPO!Pro Map File | TOPO software | National Geographic maps |
| .TPX | DeLorme | Ficheiros GIS | DeLorme Topo Project File | Topo North America | Interscape |
| .TRG | Symantec Corporation | Ficheiros GIS | Symantec LiveUpdate File | Norton SystemWorks | Symantec Corporation |
| .TRP | VSO Software | Ficheiros GIS | MPEG-2 HD Video Transport Stream | CyberLink PowerDVD | CyberLink |
| .TSO | Siemens AG | Ficheiros GIS | NX2 File 3D Faceted Spacial Volume Data | Siemens PLM NX | Siemens PLM Software |
| .TWF | ESRI | Ficheiros GIS | ArcView World Coordinates | ArcView | ESRI |
| .TWL | Open Source | Ficheiros GIS | Naviguide Binary GPS Track Data File | GPSBabel | Open Source |
| .UBX | u-blox | Ficheiros GIS | U-center UBX GPS Log Data | u-center | u-blox |
| .USR | FileMaker Inc. | Ficheiros GIS | FileMaker Pro Database File | FileMaker Pro | FileMaker Inc. |
| .VCT | Clark Labs | Ficheiros GIS | IDRISI Vector Image | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .VDC | Clark Labs | Ficheiros GIS | IDRISI Vector Documentation File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .VEC | Omron Corporation | Ficheiros GIS | CX-Designer Shape File | OMRON CX-One | Omron Corporation |
| .VPF | Interscape | Ficheiros GIS | Vector Product Format | H2OMAP Water | Interscape |
| .VRC | Augmentra Ltd | Ficheiros GIS | ViewRanger Map File | ViewRanger | Augmentra Ltd |
| .VRH | Augmentra Ltd | Ficheiros GIS | ViewRanger Map File | ViewRanger | Augmentra Ltd |
| .VRM | Augmentra Ltd | Ficheiros GIS | ViewRanger Map File | ViewRanger | Augmentra Ltd |
| .VTM | Adobe Systems Incorporated | Ficheiros GIS | Visual Tool Markup Language Document | Adobe Dreamweaver | Adobe Systems Incorporated |
| .VYK | GEPRO spol. s ro | Ficheiros GIS | GEPRO MISYS Data | MISYS | GEPRO spol. s ro |
| .WFD | Turtle Beach Corporation | Ficheiros GIS | WaveFront Drum Kit File | Turtle Beach WaveFront Software | Turtle Beach Corporation |
| .WKB | Corel | Ficheiros GIS | Corel WordPerfect Document | Corel WordPerfect | Corel |
| .WOR | Pitney Bowes | Ficheiros GIS | MapInfo Workspace File | MapInfo Professional | Pitney Bowes |
| .WPT | Corel | Ficheiros GIS | WordPerfect Template | Corel WordPerfect X8 | Corel |
| .XCM | Institute for Human and Machine Cognition (IHMC) | Ficheiros GIS | CmapTools Exported Concept Map | IHMC CmapTools | Institute for Human and Machine Cognition (IHMC) |
| .ZLAS | ESRI (Environmental Systems Research Institute) | Ficheiros GIS | ESRI Optimized LiDAR File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
de 3 
