Japanese.7z -

This is the most reliable method for handling Japanese character encoding directly. Open Command Prompt or Terminal.

Alternatively, for a specific output directory: 7za.exe x -mcp=932 "YourFile.7z" -o"OutputFolder" Method B: Change System Locale (Windows) Japanese.7z

Modern 7-Zip fully supports Unicode, but if the archive was created with an old tool using SJIS, it needs special handling. This is the most reliable method for handling

Restart your computer, extract the file, then change it back. Method C: Use Bandizip or WinRAR (Alternative) Restart your computer, extract the file, then change it back

If you need to extract many such files, temporarily change your Windows system locale to Japanese. Go to > Clock and Region > Region . Click the Administrative tab. Click Change system locale... and select Japanese (Japan) .

7zzs (standalone 7-Zip) can be used without installation. If you tell me: Are you using Windows or macOS/Linux ? Are you using the GUI or Command Line ? I can provide the exact command or steps for your setup. Encrypting and decrypting archives with 7-Zip - Red Hat