If you are missing any part between 001 and 016, extraction will fail.
7-Zip will automatically recognize the split parts and reassemble them into the complete file. 3. Troubleshooting 5.7z.016
The file has an associated SHA1 hash 58e51f7a42ee5732670dce8ea22c3087a3def261 for verification. 2. How to Open/Use it If you are missing any part between 001