: Place all parts (001, 002, etc.) in the same folder on your computer.

The file is the second part of a split compressed archive, likely containing game files or assets related to Overwatch. Because it is a "split" file, you cannot open it by itself; it is just one "piece" of a larger puzzle. 🧩 How to Open It

To extract the contents, you must have all the pieces of the set in the same folder.

If you're looking for the actual game, the official Overwatch 2 PC download is available for free via Battle.net. Do you have the .001 part of this file, or How to recombine *.7z.001 and *.7z.002 - SourceForge