Fallout Saved Game File
General Information
| Title | FOS File Extension |
| Extension | .fos |
| Full Form | Fallout Saved Game File |
| File Type | Game File |
| Developer | Bethesda Softworks |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store game progress |
| Additional Functions | Contain settings, characters |
| Features | Binary, User-specific |
File Characteristics
| Quality | Fixed format |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | With modding tools |
Use Cases
| Video Gaming | Yes |
| Game Modding | Yes |
| Backup | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Regular backups, Modding caution |
Historical/Version Information
| Initial Release | 2008 |
| Latest Version | Varies by game |
Associated Types
| Similar Extensions | .save, .sav, .esm, .esp |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Fallout 3 |
Commercial | Windows, Xbox, PlayStation |
 Fallout New Vegas |
Commercial | Windows, Xbox, PlayStation |
| Fallout 4 |
Commercial | Windows, Xbox One, PlayStation 4 |