This is taken from Help:

The keys may be performing the equivalent action in Lotus 1-2-3. On the
Tools menu, click Options, and then click the Transition tab. Clear the
Transition navigation keys check box, and then try to use the keys again.

Hope this helps
Connie Martin

"DumbComputerUser" wrote:

I'm not sure why I'm not able to use the Tab button on my worksheet. The
arrows move the cursor to whichever direction I choose, but the Tab button
will not move the cursor to the right.