How to create a drop-down list in Excel to manage data and prevent mistakes

You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...

How to remove duplicates in Microsoft Excel to clean up data in individual or multiple columns

You can remove duplicates in Excel in a few steps. Duplicates can create problems when you're dealing with data.
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How to display multiple columns in a validation list

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 ...
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Everything You Need to Know About Array Constants in Excel

Array constants can only contain text in double quotes, plain numbers (no currency symbols or percent signs), or Boolean values (TRUE and FALSE), separated by the comma and semicolon delimiters. They ...