Use apps like The Unarchiver or Keka to extract 7z files. Mobile (Android/iOS): Use apps like iZip or WinZip . Important Tips
The archive may contain executable files; it is recommended to scan the contents for viruses after extraction. Sample_lee_lee.7z
Alternative: Right-click the file, select 7-Zip, then "Extract Here" or "Extract to [folder]". Use apps like The Unarchiver or Keka to extract 7z files
How can I get a content-listing of a 7z-archive under Linux? " and choosing "Open archive".
You can view the contents without extracting by right-clicking, selecting "7-Zip," and choosing "Open archive".