A file named is a compressed archive created using the RAR (Roshal Archive) format. Depending on how it was created, it likely serves one of two purposes: 1. A Split (Multi-Volume) Archive
Large archives are often split into smaller "volumes" to make them easier to transfer or store on limited-capacity media. R_10.rar
In older naming conventions, the first file is often .rar , followed by .r00 , .r01 , up to .r10 and beyond. A file named is a compressed archive created
If you have a collection of files named R_10.rar , R_11.rar , etc., or if this file is part of a series starting with .rar , then it is a . the first file is often .rar