Microsoft Dynamics 365 App for Outlook doesn't appear within Outlook
There are several reasons why the Dynamics 365 App for Outlook may not appear within Outlook after deployment. This article describes the different causes and solutions.
Applies to: Microsoft Dynamics 365
Original KB number: 4345566
After deploying Dynamics 365 App for Outlook, the app doesn't appear within Outlook.
Cause 1: The version of Outlook or Exchange isn't supported
Verify that the version of Outlook and Exchange are supported by Dynamics 365 App for Outlook. For details of the supported configurations, see Deploy and install Dynamics 365 App for Outlook.
Cause 2: Enable optional connected experiences setting is disabled in Outlook (applies to Microsoft 365 Apps for enterprise)
If you're using Microsoft 365 Apps for enterprise, verify that the Enable optional connected experiences setting is enabled:
Select File > Office Account > Account Privacy > Manage Settings.
Locate the Enable optional connected experiences setting.
Verify that this setting is enabled. If it's disabled, no add-ins will be displayed in Outlook.
For more information about this setting, see Use policy settings to manage privacy controls for Microsoft 365 Apps for enterprise.
Cause 3: The Reading Pane isn't enabled
If you don't see the app appear when viewing a list of emails, but you do see the app when you open an email, verify that the Use and configure the Reading Pane to preview messages is enabled in Outlook. Outlook Apps such as Dynamics 365 App for Outlook are intended to appear in the reading pane when viewing a list of emails.
Cause 4: The specific type of email you're viewing isn't supported by Dynamics 365 App for Outlook
Dynamics 365 App for Outlook is an Outlook Add-in. Some email types such as encrypted emails aren't available to use with Outlook Add-ins. For more information, see Mailbox items available to add-ins.
Cause 5: The app needs to be redeployed
Access Dynamics 365 as a user with the System Administrator role. Navigate to Settings, and then select Dynamics 365 App for Outlook. Select the user in the list and then select Add App To Outlook.
It may take up to 15 minutes to complete. If the user doesn't appear in this list, see A user does not appear in the All Eligible Users list within the Dynamics 365 App for Outlook area.
After the status shows as Added to Outlook, close and reopen Outlook.
Cause 6: A Microsoft Exchange setting or group policy setting is restricting use of Office Apps
Dynamics 365 App for Outlook is an Office Add-in and use of Office Add-ins can be blocked in your organization. Check with your administrator to verify a setting such as those mentioned in the following articles aren't configured to block the use of Office Add-ins in your organization: