: This means you are looking at Part 3 of a multi-part set.
Think of this file like a single chapter in a book. You cannot read the whole story—or in this case, extract the data—without having all the other "chapters" in the same place. To extract the contents, you must have: JMG.7z.001 (The starting piece) JMG.7z.002 JMG.7z.003 (And any subsequent numbered parts) How to Extract Your Files JMG.7z.003
Have you ever stumbled upon a file with a double extension like .7z.003 and wondered if your computer was having a glitch? If you’re looking at , you’ve actually found a piece of a larger puzzle. : This means you are looking at Part 3 of a multi-part set