The name suggests this is part of a larger file, likely a high-definition (HDR) movie or video titled similarly to "R3y3sS4nt4", split into multiple parts ( .part1 , .part2 , etc.).
The ".yamil" extension is non-standard. It is likely a typo or a custom extension, but it should function as a RAR file. R3y3sS4nt4HDR.yamil.part1.rar
RAR Archived file (Part 1 of a multi-part archive). The name suggests this is part of a
specific file extension did you expect it to have (.rar, .zip, etc.)? split into multiple parts ( .part1