Add-in Express Regions for Microsoft Outlook and VSTO is an extension for Visual Studio Tools for Office (VSTO) that empowers developers to enhance and customize Outlook views and forms using .NET controls.

• Extensive Outlook Window Integration: Add regions to virtually all Outlook windows, including the main Explorer window and all Inspector windows, providing flexibility in customization.
• Support for Multiple Outlook Versions: Ensure compatibility across various Outlook versions, from 2003 to 2021, facilitating broad user reach.
• Shared Regions: Host multiple forms from different add-ins within the same region, allowing users to switch between them seamlessly.
• Resizable and Minimized Regions: Enable end-users to resize, minimize, or hide regions, enhancing user experience and interface flexibility.
• Drag-and-Drop Functionality: Allow embedded forms to be dragged between regions within an Outlook window, offering dynamic interface customization.
• Context-Sensitive Binding: Bind regions to specific Outlook contexts, such as particular folders or item types, ensuring relevant and timely display of customizations.
• Visual Studio Integration: Seamlessly integrate into Visual Studio, including the 2012 user interface, providing a familiar development environment.
• Advanced Region Features: Implement advanced features like hiding, minimizing, and sharing regions, as well as supporting drag-and-drop operations, to create a dynamic and user-friendly interface.