Block bad data, duplicates, and incorrect dates with these custom rules.

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 ...

When multiple data variables are accommodated in a project, the time and spatial grids of those variables must be identical. As such, you must control the data other people enter. That’s when you need ...

How to run a VBA procedure from a data validation control in Microsoft Excel Your email has been sent There are lots of ways to execute a VBA procedure in Microsoft Excel. You can add macro buttons at ...

In this article we will show you how to display multiple columns in a validation list in Excel. We will show you a method that can then be applied to your data. To create a validation list with ...

Q: I have an Excel spreadsheet that I update weekly with our employees’ Actual Sales and Sales Goals. I manually insert a red circle to indicate those who did not reach their sales goal by more than a ...

In many cases, you want people to enter a valid date, and no other type of information, when they're putting data into a cell in Microsoft Excel. For example, you might be asking people to record days ...

Excel's conditional formatting tool applies formatting depending on cells' contents. Validation rules can change cells font, style, size or border. They can also change the text's color. For example, ...

You can do a mail merge in Microsoft Word and Excel to create personalized documents for many recipients at once. You can import an Excel data table into Word to customize your template with names and ...

Messy Excel data can be a huge time-waster and a major roadblock to getting real insights. When you deal with an Excel ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...