: Use The Unarchiver or similar tools from the App Store.
Are you experiencing a specific when trying to open this file, or
Check your download source for files with similar names ending in .part2.rar , .part3.rar , etc., or .r00 , .r01 , etc..
If you received an error saying a "volume" or "piece" is missing when trying to extract it, this file is likely part of a .
: Search for "RAR" in your app store for reliable extractors. If You Are Looking for a "Missing Piece" (Split Archives)