: A smaller file size means quicker uploads and downloads when sharing the archive.

: It can shrink large video or photo collections by 30-70% depending on the original data type.

: If the archive is too big for a specific storage medium (like a FAT32 USB drive), the .7z format allows you to split the archive into smaller, manageable volumes (e.g., .7z.001 , .7z.002 ).

Because .7z uses the LZMA and LZMA2 algorithms , it can significantly reduce the file size of high-resolution media compared to standard .zip or .rar formats. This makes it ideal for: