Opaque Binary Blob
General Information
| Title | OBB File Extension |
| Extension | .obb |
| Full Form | Opaque Binary Blob |
| File Type | Data File |
| Developer | |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store data |
| Additional Functions | Complement APK |
| Features | Large size support, Expansion files |
File Characteristics
| Quality | High, Variable |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Android Games | Yes |
| Android Apps | Yes |
| Large Media Files | Yes |
Security and Practices
| Security Risks | Piracy, Tampering |
| Best Practices | Google Play delivery, Encryption |
Historical/Version Information
| Initial Release | 2012 |
| Notable Changes | Expansion files limit increase |
Associated Types
| Main APK File | .apk |
| Additional Resources | .zip, .dat |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Google Play Store |
Free, In-app purchases | Android |
 APK Expansion Zip Library |
Free | Android |
| WinRAR |
Free, Paid | Windows, Mac, Linux |