The Barracuda Essentials Outlook Add-In supports Microsoft Exchange Server 2013, 2016, 2019, Outlook versions 2016, 2019, 2021, and Outlook Web Access (OWA) running on Windows and Mac OS.
See also Barracuda Outlook Add-In User Guide.
If you are experiencing issues deploying with Microsoft Exchange Server 2013, ensure that TLS 1.2 is enabled in .NET. Refer to this Microsoft article for more information on updating and configuring the .NET Framework to support TLS 1.2.
If you are experiencing issues deploying with Microsoft Exchange Server 2016, refer to this Microsoft article https://learn.microsoft.com/en-us/exchange/troubleshoot/administration/unable-install-add-ins-microsoft-store.
Use the steps in this article to deploy the Barracuda Outlook Add-In to all users in your Exchange Server.
The Barracuda Outlook Add-In allows users to perform various functions, including:
- Send encrypted emails;
- Mark emails as suspicious and send to Barracuda Networks for further analysis;
- Provide additional feedback as to why the email should be blocked.
Install Outlook Add-In for all Users
- Log into the Microsoft 365 admin center https://admin.microsoft.com/.
- Click Settings on the left-hand menu. If you do not see Settings, click Show all first.
- Under Settings, click Integrated apps.
- Click Get Apps.
- At the top right of the page, in the search bar, type
barracuda. Select Get it now for Barracuda Essentials for Outlook.
- Confirm the details on the screen and click Get it now.
- In the Add users section, select Entire organization under Assign users. You can also use this section to test with a subset of users first before deploying to your entire organization.
- Click next.
- Review the permissions and click next.
- Click finish deployment.
Wait for the deployment to complete, and then click Done.
You should now see the Barracuda Outlook Add-In under your Integrated apps section within Microsoft 365.
Remove Add-In
If you need to remove the add-in from your Exchange Server and Outlook/OWA for all users:
- Log into the Microsoft 365 admin center https://admin.microsoft.com/.
- Click Settings on the left-hand menu. If you do not see Settings, click Show all first.
- Under Settings, click Integrated apps.
- Click Barracuda Essentials for Outlook.
- Under Actions, click Remove app.
Troubleshooting
| Issue | Solution |
|---|---|
| User has added or removed app but change does not display in Outlook | It may take some time after adding or removing the add-in for the Outlook client or OWA for the Outlook ribbon to update. If users cannot see the change, direct them to either restart the client or refresh the web page. |
| Message Action is disabled | If a user turns off the reading pane while a message is selected, the Message Action option is disabled. In this instance, Message Actions is disabled on the user's Home ribbon in Outlook but enabled in the detailed view. Direct users to turn on the reading pane and reselect the message. |
Error Message: Unable to add encryption client. The attachment path was invalid. | The Barracuda Outlook Add-In displays this message if your Microsoft Outlook is not installed in the default location. The Barracuda Outlook Add-In is not able to perform encryption with this configuration. |
| User cannot load Email Gateway Defense Outlook Add-In from Microsoft when not using Outlook Web Access (OWA) | Install the Email Security Gateway Outlook Add-in and use the encryption option to encrypt mail being sent to Email Gateway Defense. Note that other features in the Email Security Gateway Outlook Add-In will not work as there are no required headers in the mail. |
| The app couldn't be downloaded in Exchange Server 2016 | Refer to the Microsoft article: https://learn.microsoft.com/en-us/exchange/troubleshoot/administration/unable-install-add-ins-microsoft-store . |