This section introduces the fundamentals of ExSign for Microsoft 365, how it works behind the scenes, and the deployment approach that best fits your organization, so you can build a solid foundation before you move on to preparing your tenant and installing the product.

The Overview section covers the following:

• How ExSign for Microsoft 365 Works - Understand the core components of ExSign and how they work together to apply signatures, disclaimers, and branding to email sent from your Microsoft 365 tenant.
• Choosing a Signature Mode for Microsoft 365 - Compare the available signature modes and understand which approach best fits your organization's Outlook clients, devices, and branding requirements before you begin deployment.