Follow the below steps in order to permanently delete old files both in Docstar and in the Recycle Bin within Docstar.
How to Delete Old Files
Step 1: Select the Files you would like to Delete
Step 2: Go to Actions > Delete
Step 3: Go to Admin > Recycle Bin
Step 4: Select Documents > Delete
Once all of the above steps have been met, the files will be permanently deleted.