P03.7z -

Compression is only one aspect, and decompression is another key. You can take the 7z and zip files to different devices (Windows, Microsoft Community Hub i dove down the 7z rabbit hole (it goes deep)

: If you are working with potentially malicious 7z files, it is highly recommended to update to 7-Zip version 24.07 or later , which addresses these edge-case crashes.

: According to tech benchmarks on platforms like the Microsoft Community Hub , the 7z format (especially with LZMA2) remains superior to ZIP for large files and source code, often saving ~10% more space, though it can take longer to compress. Format Overview

Most notably, a recent deep dive into by researchers and tech bloggers addresses a reported (and later debunked) remote code execution vulnerability in the 7z format. Key Insights on 7-Zip Security & Performance