I am using Lotus spread sheets and wish to change to Excell. The spread sheet I am using use versions ( Lotus versions )and cover 1200 cells and each sheet has 5 versions and there 7 similar sheets. so for instance I can look at the volume of a given group of parts over 24 months and have different versions predicted sales, actual, production requirement, and each sheet will have a diferent product group. this is used to calculate sales material costs and production times. Can I do the same in Excell