Expiration date for media files / attachments. With unattach and delete option.
There are two other suggestion threads for this same feature, if the votes are all added up, that places it #5 most requested. ;)
There are three ideas that are a duplicate of this one, can these be combined? If so, the votes will go up and make it a top 5 request. I really really need this feature for our site. Thank you!