Based on the naming convention ( DODIMRLS ), it is likely a piece of a "repack" or a compressed installer for a game or software, often associated with groups like [3, 4]. Important things to know about .part files:
Once you have every part, you typically right-click the first file ( part01.rar ) and select "Extract Here" using a program like WinRAR or 7-Zip [2, 5]. DODIMRLS_2GB.part11.rar
To successfully extract the contents, you must have all the numbered parts (e.g., part01 through partXX) in the same folder [2, 5]. Based on the naming convention ( DODIMRLS ),