7z Format
7z is the new archive format, providing high compression ratio. The code of 7z format is open architecture, so it can support any new compression methods.
Core Features
- Open architecture
- High compression ratio
- Strong AES-256 encryption
- Ability of using any compression, conversion or encryption method
- Supporting files with sizes up to 16000000000 GB
- Unicode file names
- Solid compressing
- Archive headers compressing
Compression Methods
| Method | Description |
|---|---|
| LZMA | Default and general compression method |
| LZMA2 | Improved version of LZMA |
| PPMD | Dmitry Shkarin's PPMdH with small changes |
| BCJ / BCJ2 | Converter for 32-bit x86 executables |
| BZip2 | Standard BWT algorithm |
| Deflate | Standard LZ77-based algorithm |