To extract the content, you need all the parts ( .001 , .002 , .003 , etc.) in the same folder. Step 1: Collect All Parts
Similar to 7-Zip, WinRAR can open split 7z archives. Troubleshooting: What to Do If It Fails 00278.7z.002
If you are getting errors during extraction, it is usually for one of these reasons: To extract the content, you need all the parts (
If you are on a Mac or prefer different software, other tools can handle this: To extract the content