.R0 File Extension
File TypeWinRAR Compressed Archive
What is an R0 file?
Archive file that is compressed using WinRAR or RAR programs; may be a standalone archive or a part of a multi-volume archive (see the .R1 and .R2 file extension entries); used to store a compressed part or fragment of a larger file.
After downloading a series of multi-volume archive files, WinRAR and RAR can build them back into the original file.