Dear All,
Please find the steps below for Displaying/Remove Custom Entity or OOB in Outlook Quick Create
1). Open CRM System
2). Navigate to Settings --> Customization --> Customize the system
3). Click on the Custom Entity that you want to display Quick Create (Enable Allow Quick Create & Reading Pane in Dynamics 365 for Outlook)
Please find the steps below for Displaying/Remove Custom Entity or OOB in Outlook Quick Create
1). Open CRM System
2). Navigate to Settings --> Customization --> Customize the system
3). Click on the Custom Entity that you want to display Quick Create (Enable Allow Quick Create & Reading Pane in Dynamics 365 for Outlook)
4). After Enabling Navigate to Settings --> Customization --> Customize the System
5). Click on Model-driven Apps or Apps then open Dynamics 365 App for Outlook then Add the Entity which you wanted.
6). Click Save.
7). Publish.