Either you're pressing 'cancel' instead of 'ok' in the dialogue box, or
you're not saving.

If it's in an email, you'll need to save it on your hard drive before you
can reliably save changes.

"cydney" wrote:

When I go to Tools, Options, Colors & change the colors to what I want, they
will not save. Because when I close Excel & reopen, my changes are no longer
there. Am I forgetting a step?