Go to https://sheets.google.com and open the spreadsheet you want to add a drop-down list to.

Click the cell where you want to add the drop-down list.

Click the “Data” tab at the top of the page.

In the “Criteria” section, select “List from a range” from the drop-down menu.

accounts.google.com

Drop-down lists are a great way to ensure data accuracy and consistency in a Google Sheets spreadsheet. They can be used to limit the range of values that can be entered into a cell, making it easier to quickly identify and correct any errors. Additionally, drop-down lists can be used to quickly filter and sort data, allowing you to quickly find the information you need. Knowing how to add a drop-down list to a Google Sheets spreadsheet can help you save time and ensure accuracy in your data.

Want to make guides like this in seconds? Yes, it's really that fast.