| 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.
 | Steam by Valve |
 | Easy SIS Creator by S.V. Softwares |
 | Palm OS Emulator by Palm |
 | Nokia PC Suite by Nokia |
 | Nokia Suite by Nokia |
| 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 |
| .MDL | MathWorks | Data Files | MathWorks Simulink Model |
| .LAST | Valve | Data Files | Valve Steam Data |
| .VMX | VMware | Settings Files | VMware Configuration File |
| .AMX | Valve | Plugin Files | AMX Mod Plugin File |
| .ACF | Valve | Game Files | Steam Application Cache File |
| .RMF | Valve | Game Files | Hammer Rich Map Format |
| .RAD | Reality Pump Studios | Audio Files | Reality Adlib Tracker Module |
| .EFX | j2 Global, Inc. | Data Files | eFax Document |
| .LMP | id Software | Game Files | Quake Engine Lump File |
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