Japanese.7z -

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)

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) . 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. When extracting, you likely see file names appearing as