The file is the second part of a multi-volume split archive created with 7-Zip . In a split archive, a large file is broken into smaller pieces (volumes) to make them easier to download or store. How to Open or "Piece" it Together

: You need at least the first part, "Jessicawext.7z.001" , and any subsequent parts (e.g., .003 , .004 ) if they exist.

: Ensure all these numbered parts are in the same folder on your computer.