To access the content of a split archive, you must have of the set (e.g., .001 through .015) in the same folder.
Large files are often split into smaller chunks (volumes) to make them easier to transfer via email or store on limited-capacity devices. How to Open Multi-Volume 7z Files 015 7z
: An obsolete German math program used .015 for Julia Fractal files. Recommended Software Recommended Tool Windows 7-Zip (Official), WinZip , PeaZip macOS The Unarchiver , Keka Linux p7zip Mobile iZip (iOS), 7Zipper (Android) To access the content of a split archive,