What is "trash"?

[Stob]

Your question has been answered many times before…

How do I empty the trash?

Trash data remains in trash folder for 7 days, after which that space is freed up. Here’s a few other posts where this was asked/discussed: So short story, short: No action is required by you with regards to trash folder. Pieces that have been there past the “retention period” will be automatically removed and disk space becomes available once again for new uploads.