Sometimes you might want to lock cells in your Excel spreadsheet that contain formulas and functions or data. Thus, the person doing the data entry will not accidentally overwrite or delete the spreadsheet formulas and functions or your data.
To move around the worksheet with your keyboard, use the key combinations:
The easiest way to enter a function into a formula is to use the Excel program's Insert Function dialog box.
Excel's ability to create automatic subtotals is a handy feature that can save you a great deal of time.
If you are working with huge workbooks that contain a very large number of formulas, functions, and data, you can turn off the automatic recalculation.
If you're willing and able to edit the Registry on your computer, you can change Excel's number of Undo levels.
You can significantly reduce the number of errors in data entry in Excel by protecting changes of specific spreadsheets (worksheets) and cells.
This tip describes how to use conditional formatting for comfortable viewing results in the worksheet.
With Excel built-in tools you can easily work together on workbooks and monitor who, when and what changes made. E.g., track project status and tasks.