: Open WinRAR, go to the Tools menu, and select Repair archive . This can rebuild the archive if recovery records were included by the creator.
If the archive opens but looks empty or "unexplored," it may be using advanced RAR features to hide data: Unexplored.rar
If you encounter an error stating the archive is in an unknown format or damaged when opening it, try these steps first: : Open WinRAR, go to the Tools menu,
: Sometimes WinRAR fails where 7-Zip succeeds. Right-click the file and use "Extract Here" via 7-Zip to see if it can bypass minor header corruption. : Open WinRAR