As a .rar (Roshal Archive) file, it uses a proprietary format that supports efficient data compression, error correction, and even multi-part archiving for very large datasets.
Use the official WinRAR or open-source alternatives like 7-Zip. 685_3_RP.rar
Right-click the file and select "Extract Here" or "Extract to 685_3_RP/" to view the individual documents inside. As a .rar (Roshal Archive) file