This specific file is the of a split archive. You cannot open it on its own; you must have all parts (e.g., .001 , .002 , .003 , and .004 ) in the same folder to successfully extract the contents. Recommended Tools
: Choose "Extract Here" or "Extract to [Folder Name]". The software will automatically pull data from part .004 and others to reconstruct the full file.
: Always right-click on the file ending in .001 (or the base .7z if applicable).
A popular open-source archiver for Mac users available on Keka.io .
: Ensure every numbered segment of the archive is in the same directory.