The file is the second part of a multi-volume 7z archive . Because it is a split file, you cannot open it individually; you must have all numbered parts (starting with .001 ) in the same folder to reconstruct the original data.
How to extract files from a split 7zip archive? - Ask Ubuntu girl102.7z.002
Large files are often split into smaller "volumes" to make them easier to upload or share. usually ends in .7z.001 Part 2: ends in .7z.002 (this is the file you have!) Subsequent parts: .7z.003 , .7z.004 , and so on. 2. The Golden Rule: Collect All Parts The file is the second part of a multi-volume 7z archive
You extract the contents using only part .002 . To successfully open the archive, you must: Download every numbered part of the set (001, 002, etc.). Place all parts in the exact same folder on your computer. - Ask Ubuntu Large files are often split