I have an .mdb file which is 70MB.
After deleting all records contained in the file, the size remains 70MB.
How do I make my .mdb f
Open the mdb and do a 'Compact and Repair'. This will reduce the size of the mdb.
You can also set the 'Compact on Close' option to on (off by default).
Here is a link to some additional information: http://www.trcb.com/computers-and-technology/data-recovery/ways-to-compact-and-repair-an-access-database-27384.htm