Japanese.7z

A file containing Japanese characters often results in garbled file names (mojibake) when extracted on a system not set to Japanese locale. This happens because the archive likely uses an old non-Unicode character encoding (like Shift-JIS/Code Page 932) to store filenames.

This archive tool is generally better at detecting Japanese encoding automatically and often manages it without changing system settings. Japanese.7z

Use the -mcp switch with Code Page 932 (Japanese) to extract: 7z x "YourFile.7z" -mcp=932 A file containing Japanese characters often results in

Restart your computer, extract the file, then change it back. Method C: Use Bandizip or WinRAR (Alternative) Use the -mcp switch with Code Page 932

If the archive is a .zip containing Japanese characters, sometimes WinRAR handles it better, though 7-Zip is preferred for actual .7z formats. 3. Summary of 7-Zip Features for Japanese Files

When extracting, you likely see file names appearing as ? , テスト , or other junk characters. This is because your system is interpreting the Shift-JIS encoding as standard Unicode (UTF-8) or ASCII. 2. Solutions for Extraction Method A: Using 7-Zip Command Line (Recommended)