If you have a long list of emails, you can evaluate whether these emails are even real or not, using the ISEMAIL function. Suppose we have a list of emails in cell range A2:A5 in a given spreadsheet.

To display a tooltip, you may use Comments, Notes, Data Validation Help Text, or Screen Tips. Let us see how they work in Excel and Google Sheets.

Google Sheets is one of Google's many productivity applications, like Docs, Calendar, and Drive. Google Sheets lets you create, manage, and collaborate on cloud-based spreadsheets. Google recently ...