| .004 | SourceForge | Compressed Files | Compressed File From A Multi-volume Archive (part 4) | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .005 | bhv | Data Files | Winfunktion Mathematik V8.0 Julia Fractal File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .006 | bhv | Data Files | Winfunktion Mathematik V8.0 Julia Fractal File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .007 | bhv | Data Files | Winfunktion Mathematik V8.0 Julia Fractal File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .008 | ESRI (Environmental Systems Research Institute) | GIS Files | International S-57 Hydrographic Data Electronic Navigation Chart | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .009 | bhv | Data Files | Winfunktion Mathematik V8.0 Julia Fractal File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ADC | Steffen Gutmann | Raster Image Files | Scanstudio 16 Color Image | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ADF | Cloanto Corporation | Disk Image Files | Amiga Disk File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AGF | ESRI | GIS Files | Atlas GIS Native Binary Geodataset | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AIH | ESRI | Data Files | Attribute Index | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AIN | Valve | Game Files | Source Engine Compiled AI Nodegraph File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AML | Intel Corporation | System Files | ACPI Machine Language File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .APL | Matthew T. Ashland | Audio Files | Monkey's Audio Track Information File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .APR | ESRI | 3D Image Files | ArcView Project File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ATX | ESRI | GIS Files | ArcGIS Attribute Index File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AVL | ESRI | GIS Files | ArcView Legend File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AVX | Avid Technology | Plugin Files | Avid Plugin File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .BIL | ESRI | GIS Files | ESRI BIL File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .BLW | Adobe Systems Incorporated | Settings Files | Adobe Photoshop Black And White Presets File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .BPW | Open Source | Encoded Files | Bitser Password File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .COREL WORDPERFECT DICTIONARY | Corel | Data Files | Corel WordPerfect Dictionary File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DCP | Embarcadero Technologies | Developer Files | Delphi Compiled Package | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DEM | Valve | Game Files | Video Game Demo File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DGN | Bentley Systems | CAD Files | MicroStation Drawing File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DLG | Crytek | Game Files | Crysis Dialogue Data File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DT0 | National Geospatial-Intelligence Agency | GIS Files | DTED Level 0 File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DT1 | National Geospatial-Intelligence Agency | GIS Files | DTED Level 1 File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .E00 | ESRI | GIS Files | ArcInfo Coverage Export File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .EAZ | ESRI (Environmental Systems Research Institute) | Data Files | ArcGIS Explorer Add-in File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ECW | ESRI (Environmental Systems Research Institute) | Raster Image Files | Enhanced Compression Wavelet Image | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .EFS | ESRI | GIS Files | ESRI Spatial Binary File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .EGD | ESRI (Environmental Systems Research Institute) | GIS Files | Encrypted Grid Shape File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ERS | ESRI (Environmental Systems Research Institute) | GIS Files | ER Mapper Data File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ESI | Open Source | Game Files | Escape Level Index File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ETA | Google | GIS Files | Google Earth Placemark File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .FLT | Presagis | 3D Image Files | OpenFlight Scene Description File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .GDBTABLE | Open Source | Data Files | Geodatabase Table File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .GEN | Sega | Game Files | Sega Genesis ROM | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .GFW | Open Source | GIS Files | GIF World File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .GMF | Leadwerks Software | 3D Image Files | Leadwerks Game Model File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .GND | ESRI (Environmental Systems Research Institute) | GIS Files | Geography Network Document | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .HDR | HDRsoft | Raster Image Files | High Dynamic Range Image File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .HGT | Safe Software | GIS Files | SRTM Elevation Data File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .IMD | Various Developers | GIS Files | GIS Image Metadata File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .IXC | ESRI (Environmental Systems Research Institute) | GIS Files | ArcView Geocoding Index For Read-Write Coverages File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .J2W | ESRI | GIS Files | ArcExplorer World | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .JFW | ESRI | GIS Files | JPEG World File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .JGW | ESRI | GIS Files | JPEG World File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .JPR | Microsoft Corporation | Text Files | WordPad Document | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .KEY | Unknown Developer | Encoded Files | License/ Encrypted Security Key File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .KML | Keyhole Corporation | GIS Files | Keyhole Markup Language File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .KMZ | Google | GIS Files | Google Earth Placemark File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .LAN | ESRI (Environmental Systems Research Institute) | GIS Files | ERDAS LAN File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .LAS | Various Developers | Data Files | LIDAR Data Exchange File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .LPK | ESRI | GIS Files | ArcGIS Layer Package | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .LYR | ESRI | Uncommon Files | ArcView Layer File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .MPK | ESRI | GIS Files | ArcGIS Map Package | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .MSD | ESRI | GIS Files | Map Service Definition File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .MXD | ESRI | GIS Files | ArcGIS Map Document | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .MXT | ESRI | GIS Files | ArcGIS Map Template | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .NMF | ESRI | GIS Files | ArcGIS Explorer Map File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ODB | Various Developers | Database Files | OpenDocument Database | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .PDF | Adobe Systems Incorporated | Page Layout Files | Portable Document Format File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .PIX | PCI Geomatics | GIS Files | PCI Geomatics Database File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .PMF | ESRI | GIS Files | ESRI Published Map File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .PPS | Microsoft Corporation | Data Files | PowerPoint Slide Show | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .RDC | IBM | Data Files | IBM Voice Type Languages Scripts Data File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .RDF | Unknown Developer | Settings Files | Resource Description Framework File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .RLF | ESRI | Page Layout Files | ArcGIS Report Layout File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .RRD | Unknown Developer | GIS Files | Reduced Resolution Dataset File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .RST | David Goodger | Text Files | ReStructuredText File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SBN | ESRI | GIS Files | ESRI Spatial Binary File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SBX | Dream Design Entertainment Software | Compressed Files | GLBasic Shoebox File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SDC | Stardock Corporation | Backup Files | Stardock Central Download Archive | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SDI | Intuit, Inc. | Data Files | QuickBooks Data File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SDW | LizardTech | GIS Files | MrSID World File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SHP | Autodesk, Inc. | 3D Image Files | AutoCAD Shape File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SHX | Autodesk, Inc. | CAD Files | AutoCAD Compiled Shape File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SID | Valve | Game Files | Steam Game Data Backup File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SLD | ESRI (Environmental Systems Research Institute) | GIS Files | Styled Layer Descriptor | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SML | ESRI | Developer Files | ARC/INFO Simple Macro Language File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .STN | ON1, Inc. | Vector Image Files | Genuine Fractals Image | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .STYLE | Trimble Inc. | Settings Files | SketchUp Style | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .SXD | ESRI | GIS Files | ArcScene Document | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TAB | Microsoft Corporation | Text Files | Tab Separated Data File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TAT | ESRI (Environmental Systems Research Institute) | GIS Files | ESRI Geographic Text Attribute Table | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TFW | ESRI | GIS Files | World File For TIFF | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TIF | XnSoft | Raster Image Files | Tagged Image File Format | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .TIMESTAMP | ESRI | GIS Files | Geodatabase Timestamp File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .VCT | Clark Labs | GIS Files | IDRISI Vector Image | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .VDC | Clark Labs | GIS Files | IDRISI Vector Documentation File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ZLAS | ESRI (Environmental Systems Research Institute) | GIS Files | ESRI Optimized LiDAR File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
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