A complex Excel 2007 workbook could require multiple sheets. By default, Microsoft provides three sheets on each workbook, but you can add as many as you need. Clicking the "Insert Worksheet ...

If you manage data in multiple Excel spreadsheets, you can use the Consolidate Data wizard to merge data from several spreadsheets or workbooks into one master sheet. The Consolidate Data wizard ...

Inserting a lot of columns or rows in Microsoft Excel is awkward and prone to mistakes. When you need to enter dozens or more columns, use this VBA procedure for ease and accuracy.