Drop Down List in Google Sheets
Here are the steps to add data validation drop downlist.- Click on spreadsheet cell.
- Click Menu - Data - 'Data Validation'
- Choose any of the listed option for Criteria.
- Fill appropriate values for chosen criteria.
- Choose action for "Invalid Data"
- Click 'Save'
Drop Down Criteria Options

- List from Range - To specify a range in sheet with list of possible input values.
- List of Items - Comma separated Input values
- Number - Range of Numeric values.
- Text - A text value that contains in the input.
- Date - Input should be a date value
- Custom Formula
- Checkbox.