Ccshe.7z ✓

It can support any new compression or encryption methods as they are developed.

It often achieves much smaller file sizes than standard ZIP files by using the LZMA and LZMA2 algorithms. ccshe.7z

A file named is a compressed archive in the 7z format, likely created using 7-Zip or a similar open-source utility. It can support any new compression or encryption

It supports AES-256 encryption , making it secure for sensitive data if a password is set. ccshe.7z

The format can handle archives up to 16 billion gigabytes.