> Any other ideas?
1. Make sure no other applications are using the table.
2. In the command window:
clear all
close all
use YOURTABLE exclusive
Then try the Table Designer.
3. If you're still having a problem, use the free and amazing FileMon utility to find out which app is using the table in question.
http://www.sysinternals.com/Utilities/Filemon.htmlMalcolm