If you worked with shared Google Sheets, it can get frustrating if people are entering the wrong data. If you want to make sure that only certain data can be added, you can easily restrict entries with dropdown lists. These dropdown lists can also be an easy way to make data entry faster and more streamlined. There are two main options for adding a dropdown list to your Google Sheet: Create a new spreadsheet in Google Sheets Select the cell(s) where you want your dropdown list to appear.