http://www.decisionmodels.com/

Lots of good info there about efficiency.

--
Biff
Microsoft Excel MVP


"madoarm" wrote in message
...
I use workbooks for all my office needs and I have some that are really
giving me a headache. To copy, paste, move, close or open, well, for
everything they take so much time, very, very slow. I don't know if I
reached
the maximum capacity or what, but I really need help.