In this tutorial, learn how to create a web-based File Manager application using .NET that integrates Azure Blob Storage for file handling and Twilio SendGrid for email notifications. The app allows users to upload, list, download, and delete files with email notifications sent upon specific actions. To build the app, you will need a free Twilio SendGrid account, Visual Studio free Community Edition or Visual Studio Code, and a free Azure account. By following the steps in this tutorial, you can create a functional file management system that serves as a foundation for more complex applications.