So this is how you can enable multiple selections in a drop-down in Google Sheets. While this is not available as an in-built feature, you can easily do this with some Google Apps Script magic.

And, if you enter data in the Google Sheets mobile app on Android or iOS, does a drop-down list make data entry faster and more efficient?

It's easy to add a drop-down list in your Google Sheets in order to sort and organize data. Here's how to do it.

Learn how to change the drop-down options in Google Sheets, edit list items manually, or change the contents of a range of cells.