
I'm looking to customize the model driven app for Dynamics 365 App for Outlook.
In particular I would like to change the forms being used for Account, Opportunity and Contacts. I can open the app in Edit, I can swap the form, but get an error when publishing..
Hi Mark TVC,
Based on my test, when I remove the forms in this app, I get the same error with yours.
However, when I switch to classic, it can be changed successfully. So, you can edit it in the classic interface. Please follow the steps: