Follow the steps below to create a drop-down list using data validation in Excel. If you want to add a message pop up, you can click the Input Message tab and check the checkbox for “Show input ...

Advanced list solutions are easy thanks to Excel's Table object. If you need a dynamic list, try one of these techniques. The article Five ways to take advantage of Excel list features showed five ...

This illustrated walk-through (with a demo worksheet) shows how easy it is to create a multi-column search solution using validation lists and conditional formatting. Excel offers numerous ways to ...

In an attempt to block email spoofing attacks on yahoo.com addresses, Yahoo began imposing a stricter email validation policy that unfortunately breaks the usual workflow on legitimate mailing lists.