: A 6-byte identifier (0x37 0x7A 0xBC 0xAF 0x27 0x1C).
: Most commonly LZMA or LZMA2 , which provide 30–70% better compression than standard ZIP. wxy.7z
: Optional AES-256 encryption to protect the contents with a password. 2. Primary Data Blocks : A 6-byte identifier (0x37 0x7A 0xBC 0xAF 0x27 0x1C)
: A map of internal folders and filenames, supporting Unicode for special characters. 3. Usage Contexts for "wxy" Files wxy.7z
If this is a custom archive you are creating or examining, a for a typical .7z file would include: 1. File Metadata and Header