Debra Dalgleish shares a macro solution:
http://contextures.com/xlcomments03.html#Resize
If you're new to macros, you may want to read David McRitchie's intro at:
http://www.mvps.org/dmcritchie/excel/getstarted.htm
Stymie wrote:
>
> I have an Excel workbook with hundreds of comments in it. When trying to
> view a comment, the comment box is only a few characters wide so the
> only way to view the comment is to select the cell, edit the comment and
> drag the box to widen it. Very frustrating and time consuming. Is there
> a way to globally widen the comment boxes?
--
Dave Peterson