archive Format
7Z File Format
7-Zip Archive is an open container format utilizing the advanced LZMA and LZMA2 compression algorithms to achieve dramatically higher compression ratios than ZIP.
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Technical Specifications
| Extensions | .7z |
| MIME Types | application/x-7z-compressed |
| Category | Archive |
| Engine Tier | tier2-wasm |
| Magic Bytes / Sniffing | 0x37 0x7A 0xBC 0xAF 0x27 0x1C |
| Opens With | 7-Zip, PeaZip, Keka |
| Good For | Maximizing compression savings on large archives and strong AES-256 encryption. |
| Not Recommended For | Native opening on stock operating systems without installing 7-Zip. |