If these are data validation dropdown lists, you can't change the font
size. There are a couple of workarounds he

http://www.contextures.com/xlDataVal08.html#Larger


Dennis wrote:
I created a drop down list in excel but the names appear too small to read on
the drop down list and I can't figure out how to change these fonts Why are
theydifferent than the actual cell the drop down list is in and How do I
change this?


--
Debra Dalgleish
Excel FAQ, Tips & Book List
http://www.contextures.com/tiptech.html