ZI File Documentation
Overview
| Feature | Value |
|---|---|
| Original Format | ZIP |
| File Extension | ZI |
| MIME Type | application/zip |
| Primary Use | Renamed for certain software compatibility |
| Compression Method | Varies (Store, Deflate, BZIP2, etc.) |
| Encryption Capability | Yes |
| Maximum File Size | Depends on file system limits (4GB for FAT32, virtually unlimited for NTFS) |
| Multi-part Archive Support | Yes |
| File Spanning | Yes |
| Internally Stored Metadata | File names, sizes, modification dates, and CRC32 checksums |
| Support for Unicode File Names | Yes |
| Creation Tools | Zip-compatible software (WinZip, 7-Zip, WinRAR) |
| Typical File Name Patterns | *.zi |
| Archive Update Mechanism | Full archive recompression |
| Signature | 50 4B 03 04 (Same as ZIP) |
| Recovery Records Availability | Depends on the software used for creation |
| Platform Compatibility | Universal with appropriate software |
| Filesystem Rights Preservation | Depends on the software and filesystem |
| Direct Streaming Capability | No |
| Specific Software Requirement | No, but renaming back to .zip may be necessary for some software |
| Usability | Can be used interchangeably with ZIP files after renaming |
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