This article refers to the Barracuda Outlook Add-in for customers not currently using Microsoft Office 365.
The Barracuda 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.
Use the Barracuda Outlook Add-In to access your messages and send encrypted messages via Outlook or OWA.
Install Barracuda Outlook Add-In for all Users
Log into the Exchange Admin Center (EAC) in the Exchange Server.
Navigate to Organization > Add-ins.
Click New+.
Select Add from the Office Store.
Select the Barracuda Outlook Add-In app, and then click Add.
Click Save.
In the list view, select the Barracuda Outlook Add-In, and then click Edit.
Select Make this add-in available to users in your organization, and then select the option you want.
Optional, enabled by default: Allow your users to turn off the add-in.
Optional, disabled by default : Allow your users to turn on the add-in.
Mandatory, always enabled. Users can't disable this add-in : Do not allow your users to turn off the add-in.
Click Save.
Remove Add-In
If you need to remove the add-in from your Exchange Server and Outlook/OWA for all users:
Log into the Exchange Admin Center (EAC) in the Exchange Server.
Navigate to Organization > Add-ins.
In the list view, select Barracuda Outlook, and then click Delete
.
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 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. |