: Use a program like WinRAR or 7-Zip . Right-click on Part 01 and select "Extract Here." The software will automatically pull data from the other parts to recreate the original file. Context of "DMEFF":
: A multi-part RAR archive cannot be opened with just the first piece. You need to download every numbered part associated with the set. DMEFF.part01.rar
Compressed game data or software patches from specific niche forums. Are you missing specific parts, or : Use a program like WinRAR or 7-Zip