We show you how to add a tooltip in Excel and Google Sheets using comments, notes, data validation, and screen tip the easy way.

You can change the date & time format in Google Sheets & Excel Online using this guide. Use different date & time formats in spreadsheets.

You can add a drop-down list in Google Sheets to better organize data within your spreadsheet. To add a drop-down list, you'll have to use the Data Validation function in Google Sheets.