No. Each worksheet has exactly 16,777,216 cells, and empty cells don't
add to file size.

An empty worksheet (tab) will add a small amount, but hardly worth the
effort of deleting it.

In article ,
WhirlWind wrote:

I have a large Excel workbook that contains several sheet tabs. It must be
e-mailed monthly. Is there away to eliminate the unused cells from the file
to condense it.