Deploying Outlook Native
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The native Outlook plugin supports these versions of the desktop application:
Outlook 2016
Outlook 2019
Office 365 Desktop
The Outlook plugin is static, it cannot read changes from the Lucy server like the Office 365 version can. If you want to change settings, you must re-download the plugin and redeploy.
Login to your and navigate to Microsoft Entra ID (formerly Azure AD).
Navigate to App Registrations and create a New Registration.
Give the application a name.
For the organization type select Accounts in any organizational directory (Any Microsoft Entra ID tenant - Multitenant) and personal Microsoft accounts (e.g. Skype, Xbox).
Define a Web redirect URI like so:
https://<yourLucyURL>.<tld>/oauth
Click Register.
In the application overview, click the Redirect URIs option then select Add a platform.
Select the Mobile and Desktop Applications option, enable all three of the pre-defined URIs, then click Configure.
Scroll to the bottom of the Authentication page and enable Live SDK Support and Allow Public Client Flows, then click Save.
Navigate to Certificates & secrets and create a new client secret. Give the secret a name and expiration date, then click Add.
Copy the Secret Value. Then navigate to the Overview and copy the Application (client) ID and Directory (tenant) ID as well. You will need all three values for the next steps.
Local installation is simple, just run the MSI and allow it to install the plugin for you.
Ensure the plugin installer is accessible on a network share that all target computers can access. Set permissions to allow read access for authenticated users.
On the Domain Controller, open the Group Policy Management Console (gpmc.msc).
Right-click on the Organizational Unit (OU) where you want to deploy the plugin, and select Create a GPO in this domain, and link it here.
Name the GPO (e.g., Deploy Lucy Plugin).
Right-click the newly created GPO and select Edit.
In the Group Policy Management Editor, navigate to Computer Configuration > Policies > Software Settings > Software Installation.
Right-click Software Installation, select New > Package.
Browse to the network share where the plugin installer is stored, select it, and choose Assigned to ensure it’s installed automatically on all targeted machines.
Either wait for the next Group Policy update cycle or force an update manually by running
gpupdate /force.
The MSI logs operations under C:\ProgramData\LucySecurity
Upon installation a temporary config.dat file is created, but all settings are written in the registry. The plugin may be installed in the user context (HKCU) or machine context (HKLM).
The Plugin is available in 32 and 64-bit versions, so make sure you're downloading the correct one.
Whether you are deploying the plugin manually on a single computer or globally via GPO, step one is to
