It supports strong AES-256 encryption for both data and the file structure [4].
To manage or create a compressed file like , you will typically use 7-Zip , a free and powerful open-source file archiver [1, 3]. How to Create or Extract a .7z File
The 7z format uses LZMA and LZMA2 compression, which often results in significantly smaller files than standard ZIP archives [1, 4].