Mb.part5.rar

: Many RAR archives are password-protected. If you don't have the password, you won't be able to see or extract the contents.

Do you have (part1 through part4) ready in the same folder? MB.part5.rar

You cannot open MB.part5.rar by itself. For the extraction to work, you must have in the same folder on your computer. : Many RAR archives are password-protected

Standard Windows or Mac "zip" tools often can't handle split RAR files. You should use a dedicated archive manager: MB.part5.rar