I usually set up my annual budget in one Excel workbook, and then I add 12 more sheets—one for each month of the year—so I can easily track the monthly data. Each sheet contains the same rows, columns ...

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" button ...

LAMBDA lets you turn repeated Excel logic into reusable functions that update automatically across your entire workbook.