The question's been answered, but I'd like to add that I've found the
following site to be helpful in the transition from Excel 2003 to 2007. I
used TinyURL because the real one is enormous -- http://tinyurl.com/2tcv42

"Samsea" wrote:

How do I undo data entry in Excel cells? I must be brain dead because I can't
find the undo/redo buttons like I had on my "old" Excel 2003/Win XP. I am a
new user of 2007 and admittedly have a lot to learn.

Samsea