| File Extension: | SIS |
| File Type Description: | Steam Game Backup Information File |
| File Type Developer: | Valve |
| Primary Associated Software: | Steam |
| Primary Software Developer: | Valve |
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Release of the Steam software program prompted the development of the Steam Game Backup Information File file type by Valve. Data from our web servers (annonymous users) show that SIS files are most popular in China and are often used by Windows 10. Google Chrome is the predominant internet browser used by this population.
 | Easy SIS Creator by S.V. Softwares |
 | Nokia PC Suite by Nokia |
 | Steam by Valve |
 | Digital Conference Sisma by Digital Confidence |
 | Palm OS Emulator by Palm |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Linux |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .SIM | Valve | Backup Files | Steam Game Backup Information File |
| .GCF | Valve | Game Files | Game Cache File |
| .CTX | Microsoft Corporation | Developer Files | Visual Basic Control Binary File |
| .POP | Valve | Game Files | Team Fortress 2 Population File |
| .AMX | Valve | Plugin Files | AMX Mod Plugin File |
| .TF2 | Valve | Game Files | Team Fortress 2 Data File |
| .LMP | id Software | Game Files | Quake Engine Lump File |
| .SMD | Valve | 3D Image Files | Valve Studiomdl Data File |
| .DEM | Valve | Game Files | Video Game Demo File |
| .VPK | Valve | Game Files | Valve Pak |
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