Right-click on (always start with the first part). Select "Extract Here" or "Extract to [Folder Name]" .
If the extraction fails with a "Check sum error" or "Unexpected end of archive," you are likely missing a part or one segment is corrupted. 182ms.part2.rar
A highly recommended free tool for macOS users. 3. Extract the Content Right-click on (always start with the first part)