Go into the VBE and check to see what addins are loaded when you start excel.

I _think_ that I've read posts that describe this problem. But heck if I
remember the addin that caused it.

If it turns out that it is an addin, please post back with the name -- so google
will have it.

Neil wrote:

I am used to the pop up in Excel which prompts you to save a file which has
been changed. All of a sudden that prompt is gone. How do I reinstate it?

--

Dave Peterson