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
This archive tool is generally better at detecting Japanese encoding automatically and often manages it without changing system settings. Japanese.7z
Modern 7-Zip fully supports Unicode, but if the archive was created with an old tool using SJIS, it needs special handling. If the archive is a