Every part must have the exact same base name.
All parts must be located in the same directory for the software to "stitch" them back together automatically. SC2.7z.001
The file is the first part of a split compressed archive, likely containing large StarCraft 2 (SC2) data such as high-definition game installers, custom campaign assets (like StarCraft: Mass Recall ), or extensive community mods . Every part must have the exact same base name
Standard Windows or Mac compression tools often fail with multipart archives. You should use specialized tools like 7-Zip for Windows or The Unarchiver for Mac. 2. How to Open SC2.7z.001 (Step-by-Step) For Windows Users (Using 7-Zip) How to Open and Extract .001 Files - Newsgroup Reviews SC2.7z.001