Ymbht.7z -

It uses the LZMA and LZMA2 algorithms to shrink large files or folders significantly.

A single .7z file can theoretically handle sizes up to 16 billion gigabytes . YMBHT.7z

The is an open-source architecture that allows for very high compression ratios, often outperforming the standard ZIP format. It uses the LZMA and LZMA2 algorithms to

It supports strong AES-256 encryption , allowing users to password-protect the contents of "YMBHT.7z". YMBHT.7z

If "YMBHT.7z" was too large for a single upload, it might be split into pieces like YMBHT.7z.001 , YMBHT.7z.002 , etc. You need all parts to extract it. Does 7z compress better than zip? - Microsoft Community Hub