When you open an Excel spreadsheet, by default the columns are indexed by letters. However if you'd like to change the format and have the index in numbers, follow the step-by-step guide below. How to ...

When you type a seven-or-ten-digit phone number into an Excel cell that uses the phone number format, Excel will automatically change the way the number looks so that it appears as a phone number. If ...

Each Microsoft Excel worksheet is broken up into cells. Each cell is part of a column. Excel's myriad formatting tools let you add colors, formulas and borders almost anywhere in a worksheet. You can ...