In this video I demonstrate how to use the ConfirmExit property to prompt your users before they close a PowerApp. This can be especially helpful to ensure your users finish what they are working on before unintentionally exiting the app before they are done with their work. You can learn more about it here on the PowerApps documentation page. https://powerapps.microsoft.com/en-us/blog/confirmexit-for-canvas-apps/