Once extracted, you will see the individual files or folders previously hidden inside the archive.
: Use The Unarchiver, a free app available on the App Store that handles multi-part archives. 21210.rar
: Apps like iZip (iOS) or WinZip (Android) can extract these files on smartphones. Open the Archive : Locate the "21210.rar" file on your computer. Once extracted, you will see the individual files