This is the official, free, open-source tool for these files.

: Get the 64-bit version from the official 7-Zip website.

: They theoretically support files up to 16 billion GB.

: Locate FILE236.7z , right-click it, and select 7-Zip from the menu.

If you use Windows 11, you may be able to extract it without extra software. Right-click the file and select .

: This built-in tool does not support password-protected .7z files. 💡 Key Features of .7z Files