Dynamics 365 Customization – Remove Related Tab on Form ; After the Dynamics 365 Wave 1 2020 release, the routing menu on the left has been added as tab to all forms as Related. You can perform the following operations in order to remove this tab in any form.

Note: This change works form-based and must be applied individually on each form.

Dynamics 365 Customization - Remove Related Tab on Form

 

Go to Settings à Customizations à Customize System menu.

Search the related entity in the PowerApps environment and click on the Form tab for edit.

Dynamics 365 Customization - Remove Related Tab on Form

Switch to the old customization site with the “Switch to Classic” button on the design screen that opens.

Dynamics 365 Customization - Remove Related Tab on Form

At the old form, after clicking the form properties, uncheck the Show Navigation Items mark on the Page Navigation section in the Display tab.

Dynamics 365 Customization - Remove Related Tab on Form

 

And the result..

Thank You