Are you tired of manually updating and reviewing your Excel spreadsheets? When you deal with hundreds of rows and columns in a workbook, highlighting deadlines, flagging errors, and visualizing ...

By using the Highlight Cells Rules, you can highlight duplicate cells in your Excel worksheet to avoid confusion and mistakes.

To highlight lines in an existing Excel document, click the "File" tab. Click "Open," browse to the spreadsheet and double-click it. Otherwise, Excel opens a new spreadsheet for you to use.

Use Microsoft Excel's TODAY() function in simple expressions to highlight the current date and past and future dates.

If you want duplicate values to stand out in an Excel spreadsheet, you can choose between two conditional formatting rules.