This is an admin permission duty.
Select the files you wish to set or update the expiration date for.
In the function bar, choose More / Update Expiration Date. Then pick your date. You can even set it to a previous date to expire the file immediately.
You can even set the date to a previous date to expire the file(s) immediately.
When the file expires the date-setter gets an email alerting them to the event. And the file can then no longer be downloaded. THe download option disappears and is replaced with a REQUEST ACCESS option. Users may REQUEST the file from the admin.
Setting an Expiration Date on a Single File