If the extraction stops with a "CRC error," one of the parts might be damaged. Do you have all the parts for this archive, or
The .part1 suffix indicates that the original data was too large for a single file and was split into smaller chunks. 1208_1_RP.part1.rar
Right-click specifically on Part 1 and select "Extract Here" or "Extract to [Folder Name]". If the extraction stops with a "CRC error,"
Use a program that supports multi-part RAR files, such as WinRAR , 7-Zip , or PeaZip . such as WinRAR