If Developer tab in Microsoft Office is missing, you can add Developer tab in Word, Excel, etc. via Settings, Group Policy, Registry Editor.

These step-by-step instructions show you how to add the Developer tab to the Ribbon in Word and Excel 2016 and Office 365, and to use it to launch the Visual Basic Editor and access Visual Basic ...

However, the process is identical for each app. First, open the Office application you wish to add the Developer tab to. Next, open the “Word” menu and then select “Preferences.” ...

If Excel is open, close it. Open a few Excel workbooks and from any open workbook, click the Developer tab and then click Macros in the Macros group.