Ajb07182.7z File
Where did you first see this name? Context (a forum post, a specific folder, a download link) is usually the "key" to the mystery.
ajb could be a creator's initials, and 07182 could represent a version or a date (July 18th). ajb07182.7z
It is common for individual modders to name their personal working files with shorthand (e.g., initials + date). Where did you first see this name