Goal seeking is a useful feature that works in conjunction with your formulas. If you know what a formula result should be, Excel can tell you which values of one or more input cells you need to produce that result.
If you want to paste text in your worksheet, you can use Excel's Convert Text to Columns Wizard.
This chart resembles a speedometer gauge and displays a value between 0 and 100%.
A common type of date calculation determines the number of days between two dates.
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.
Excel offers you an ability to assign user-level permissions to different areas on a protected spreadsheet. You can specify which users can edit a particular range while the spreadsheet is protected. As an option, you can require a password to make changes.
The easiest way to enter a function into a formula is to use the Excel program's Insert Function dialog box.
One of Excel's best-kept secrets is its ability to copy and paste pictures of cells. You can copy a cell or range and then paste a picture of the cell or range on any worksheet or chart.