If you accidentally deleted something or have discovered that a file that previously worked but now does not on either the I:\ (personal) or S:\ (course) folder, make sure that you contact Doug McCallum in room 201C or by email at mccallum@buffalo.edu as soon as possible.
It is possible to restore the file from the recycling bin on the server. TIME is very important since there is a limit as to how much data can be restored.
PLEASE make sure that there is enough storage space on your I:\ drive before you contact a member of the IT staff since no data restoration can occur without space to restore the data to.