You can see a demonstration of the Office Module in the Property Editors and Reports section of the Feature Center demo that is shipped with XAF. This demo is installed in the %PUBLIC%\Documents\DevExpress Demos 18.2\Components\eXpressApp Framework\FeatureCenter folder, by default.
You can also create Mail Merge templates to generate documents based on data from your application database.
To use the module, add the OfficeWindowsFormsModule component to your WinForms application project in the Application Designer.
You can add a module in the Solution Wizard when creating a new XAF solution by selecting a module in the Choose Extra Modules step.
The Office Module extends the Application Model as follows: