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

The 7z extension indicates the file uses advanced compression and security features: ccshe.7z