: Right-click only the file ending in .001 .

To successfully extract the contents, you must have all subsequent parts (e.g., .002 , .003 , etc.) in addition to the .001 file.

: Hover over "7-Zip" and choose "Extract Here" or "Extract to [folder name]" . The program will automatically detect and join the other parts to recreate the original file. How to extract part files 001 using 7zip on windows (2026)