The maximum number of worksheets is 255. If you are planning on doing this
at one time a quick way to add a lot of worksheets is click
ToolsOptionsGeneral and select how many sheets you want in the new
notebook. Open a new book and then chage it back to a more reasonable
number. I hope that helps.

"Elda" wrote:

I am working on a workbook and I will be adding maybe 200 worksheets, will
that be possible?