Juf.7z

: Check your browser history for the date the file was saved.

: A collection of teacher resources (common in Dutch-speaking regions where "juf" refers to a teacher). juf.7z

: It may have synced from a shared Google Drive or Dropbox folder. : Check your browser history for the date the file was saved

Knowing the website or the game it's associated with would help me identify the exact contents. juf.7z

: Look in Documents/My Games or SteamApps/common if you play simulation games.