: Use a tool like 7-Zip or WinRAR and specifically select the .001 file to begin extraction.
To extract the contents, you must have all subsequent parts in the same folder (e.g., .002 , .003 , etc.). How to Process This File RM.7z.001
: Ensure every numbered part of the sequence is in the same directory. If any part is missing, the archive will be reported as "incomplete" or "corrupt". : Use a tool like 7-Zip or WinRAR