In Excel, the common reason for getting This action won't work on multiple selections error is because of a bad selection. Here's how to fix it.

Create a drop-down list by selecting a range of cells The most common way to create a drop-down list in Excel with multiple selections is by using a range, which relies on using data from other cells.

You can sum cells across multiple sheets in Excel. This article presents steps for Adding single-cell values or Adding values in the range of cells.

In this article you will learn how to create checkboxes which are automatically linked to particular cells. VBA doesn't allow the creation of multiple checkboxes at once. You can manually link ...