: Right-click on the file ending in .001 (not .017).

: The software will automatically bridge all 17 parts to recreate the original large file. 3. Safety Precautions

: Download the official 7-Zip client .

: Ensure you have every file from 001 to 017 in a single directory.

Can you clarify or what software it is supposed to be for? This would help me provide more specific instructions.