ExSign

ExSign is an advanced email signature software designed specifically for Microsoft Office 365 and Outlook, enabling organizations to create, manage, and automate professional email signatures across all users from a single, centralized platform. With ExSign, businesses can maintain consistent branding, ensure legal compliance, and present a unified corporate identity in every message sent—without requiring any technical setup on individual devices.

Built as a fully cloud-based solution, ExSign eliminates the challenges of manually managing signatures across departments or users. Administrators can easily design, assign, and control signatures for different teams, departments, or roles directly from an intuitive web interface. Updates are applied instantly across the organization, ensuring that every outgoing email—whether sent from desktop, mobile, or web—displays the correct and compliant signature.