You should almost always initiate the process from , not Part 3.
: Use a third-party tool like The Unarchiver or iPack, as macOS does not natively support multi-part RAR files. An03.part3.rar
Ensure you have An03.part1.rar , An03.part2.rar , and An03.part3.rar together. You should almost always initiate the process from
: Right-click An03.part1.rar and select "Extract Here" or "Extract to An03/" using WinRAR or 7-Zip. An03.part3.rar
For a successful extraction, you must have every numbered part in the same folder.
: If you only have Part 3, you cannot reconstruct the full file. You must find the preceding parts (1 and 2) from the original source.
If any part is missing, the extraction will fail with an error. 2. Extract from the First Part