Data Validation in Microsoft Excel allows users to control the type of data entered into the worksheet. It picks from a list of rules to limit the type of data that can be entered into a cell.

When you update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...

Figure A We’ll add a data validation control to this sheet. Click the Data tab, and then, click Data Validation in the Data Tools group. In the resulting dialog, choose List from the Allow dropdown.

Microsoft Excel’s Data Validation feature provides an easy way to create a dropdown at the sheet level. If you base the list on data, you’ll probably want a list of unique items, which is ...

I've got an Excel 97 worksheet in which I need to validate some cells. No problem, I'll just use Data->Validate, right? Wrong. The built in validation works well enough as long as the user doesn't ...

Follow the steps below on how to use the Food Data Type in Microsoft Excel to get calorie & nutrition facts: Launch Excel spreadsheet Highlight the cells of the Food you want to look up.

By combining Excel’s GROUPBY function with dynamic formulas, data validation lists, and conditional formatting, you can create an interactive data summary with robust drill-down capabilities.

Excel's checkboxes seem like a very simple feature on the surface—which is probably why they're often overlooked. But when used properly, this underrated feature can transform your spreadsheets into ...

Open a new spreadsheet in Excel. Type the valid dates for the drop-down in a single column. Do not leave blank rows. You can also use a separate worksheet -- if you do, select the cells, select ...