I have had the same when I had a macro running that updates a cell upon an
imput in another cell. This stopped undo redo working.

to stop te zoom on the mouse have a look at toolsoptionsgeneral and untick
zoom on roll with mouse
--
John
MOS Master Instructor Office 2000, 2002 & 2003
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Ice Hockey rules (especially the Wightlink Raiders)


"CidsUprite" wrote:

I was using Excel 2003 and my undo and redo functions just quit working. I
upgraded to 2007 and still are grayed out. Please help.

Also, when I use my scroll wheel on my mouse it now changes the zoom instead
of scrolling up and down like it used to.