EFI (Extensible Firmware Interface) File
General Information
| Title | EF File Extension |
| Extension | .ef |
| Full Form | EFI (Extensible Firmware Interface) File |
| File Type | Firmware File |
| Developer | Various |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Firmware update |
| Additional Functions | Boot management |
| Features | Secure boot, Configurable |
File Characteristics
| Quality | Vendor-specific |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Device Firmware | Yes |
| System Boot | Yes |
| Secure Boot Configuration | Yes |
Security and Practices
| Security Risks | Firmware tampering |
| Best Practices | Signature verification, Secure update process |
Historical/Version Information
| Initial Release | Early 2000s |
| Latest Version | Varies by vendor |
Associated Types
| Similar Extensions | .fd, .rom, .cap, .bio |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 UEFI Shell |
Free | N/A |
 EFI Development Kit |
Free | Windows, Linux, Mac |