: The format supports strong AES-256 encryption . A significant advantage is the ability to encrypt filenames within the archive, preventing anyone without the password from seeing what files are inside.
“7zip in LZMA2 mode is slightly better than rar in terms of compression ratio... and both of them are significantly better than zip/deflate.” Reddit · 8 years ago Safety Warning huberkimono.7z
: While 7-Zip is the primary tool, these archives can be opened by various free alternatives like PeaZip . User Perspectives : The format supports strong AES-256 encryption
: The 7z format, particularly when using the LZMA2 algorithm, typically offers better compression ratios than standard ZIP or RAR formats, often reducing file sizes by 2-10% more than competitors like WinZip . and both of them are significantly better than zip/deflate
Community feedback on the 7z format and its associated software is generally high due to its open-source nature and lack of "nagware" compared to paid alternatives.