From simple lists to dynamic spill ranges and cascading menus, Excel drop-downs offer flexible control over data entry.

I began writing this series of blogs on Excel for Microcontroller Central. When it was shut down, Brad Albing (then editor of Planet Analog) agreed to copy the existing database across as a base for ...

Google Documents and Spreadsheets gets a little better with a new data validation option that will keep you and your collaborators from filling in the wrong types of data. Josh Lowensohn joined CNET ...

Learn how to use data validation in Google Sheets to enter information faster and with fewer errors. Inconsistent data can create problems in Google Sheets. A ...

Excel’s data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

If you see the error “This value doesn’t match the data validation restrictions defined for this cell” when entering a value in an Excel cell, the solutions ...

If you are creating an interactive spreadsheet, you may need a drop-down list so that users can choose between options. To do so, you can follow this tutorial to create a drop-down list in Google ...