Upgrading from the Legacy macOS Web Add-in for Outlook

If you have deployed the legacy version of the macOS web add-in of Outlook, follow the instructions in this topic to upgrade the web add-in to the latest version.
However, if you have deployed the preview version of the Windows add-in that was released with Symantec Data Loss Prevention 16.0.2, you must remove the previous deployment and then follow the instructions in Deploying the Web Add-in for Outlook on Windows and macOS Endpoints.
Symantec DLP will continue to support the COM plug-in for monitoring the classic Outlook.
Perform the following steps in the Enforce Server administration console:

Step 1: Prepare the updated manifest file

Extract the contents of the macOS agent installation package to a temporary directory. You can obtain the Outlook-Addin-Manifest.xml file from the Endpoint/Mac/x86_64/Add-in subdirectory.
Alternatively, the Outlook-Addin-Manifest.xml file is available at https://officeapp.endpoint.dlp.protect.symantec.com/1003/manifest/manifest.xml.

Step 2: Update the previously deployed add-in using the Microsoft 365 Admin Center

Follow the instructions in the official Microsoft 365 documentation to deploy the
Symantec for Outlook
add-in.

Step 3 (Optional): Assign the add-in to additional users

Follow the instructions in the official Microsoft 365 documentation to assign the add-in to additional users.
Make sure that you have deployed the truststore certificate that is used by the add-in. Deploying the truststore certificate for the web add-in for Outlook on macOS endpoints