This is a – keep the filename and extension unchanged for proper rejoining with parts 01, 02, 04, etc. Missing any part will break extraction.

This means the download was interrupted. You must re-download that specific part.

Expected result: All volumes OK (when all parts present).

Searching for specific RAR files can lead to "decoy" sites. Protect your device with these tips:

These tools are standard for handling multi-part archives. Right-click only the ) and select "Extract Here." Check for Passwords: