Congratulations.
You were minding your own business, and all of a sudden it happened.
You glanced at file sizes one day, and your eyes got big. The numbers got a little large while you weren’t looking. This is a great time to stop and think about a few changes to the way you’re managing this database.
List your largest objects by size. Run sp_BlitzIndex @Mode = 2, @GetAllDatabases = 1, @SortOrder = ‘size’ to list out your largest indexes, and look at the size column. Start asking basic questions