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

While Microsoft Excel's comments and notes tools both let you annotate a cell, they serve different purposes, work in diverse ways, and vary in how they look on a printed Excel worksheet.

In Excel for Microsoft 365, you have ‘Comments’ and ‘Notes’ as separate features. Notes offer a traditional way of adding comments or annotations to a cell value in Excel.