Place a check mark in the "Developer" box in the ribbon customization box on the right, and then click the "OK" button to add the Developer tab to your Excel ribbon menu along the top of the ...

In ‘Excel Options’ dialog box, select ‘ Customize Ribbon’ and on the right side check the box beside ‘Developer’ and click Ok. Now you could see ‘Developer’ tab on the Excel ribbon.

Why you’d want to add the Developer tab The Developers tab gives you quick access to many of the advanced features available in Office applications.