To open this file, you will need archiving software, such as (available on WinRAR's official site), 7-Zip (available on 7-Zip's official site), or The Unarchiver for Mac.
Disclaimer: Be cautious when downloading multi-part archives from unknown sources, as they can sometimes contain malicious software. To make this article more helpful, could you tell me: did you download this file from? sc22685-C2077ER.part13.rar
Ensure you have downloaded all parts of the set (part01 through part13, and likely more). To open this file, you will need archiving