The jblnqp portion is simply the unique name given to the archive by the person who created it. The Problem: "Unexpected End of Data"
Demystifying the jblnqp.7z.001 File: What It Is and How to Open It jblnqp.7z.001
Have you ever stumbled across a file with a complex name like jblnqp.7z.001 and wondered what on earth it is? At first glance, it looks like a jumble of letters and numbers, but it actually follows a very specific filing convention. The jblnqp portion is simply the unique name