When using the SafeSend web add-in, there are two ways to deploy this to your organization:

• Microsoft 365
• Exchange 2019

Refer to the latest release notes for full system requirements.

Centralized Deployment via Microsoft 365 Admin Center

For full, up-to-date, details on deploying add-ins in Microsoft 365, visit https://docs.microsoft.com/en-us/microsoft-365/admin/manage/manage-deployment-of-add-ins?view=o365-worldwide.

Deployment via Exchange 2019

For full, up-to-date, details on deploying add-ins for Outlook in Exchange, visit https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/add-ins-for-outlook/add-ins-for-outlook