Files with sequential numbering from unknown sources are a common vector for .

When large folders or files (like high-definition video, software installers, or database backups) are too big for a single upload or storage device, users "split" them.

You cannot open part .002 by itself. You must have part .001 (and all subsequent parts) in the same folder to extract the contents. Understanding the "SS-Vio" Naming Convention

Right-click on the file ending in .001 .

7-Zip will automatically detect the .002 part and stitch the data back together into the original file. ⚠️ Security Warning