This document provides step-by-step tutorials for using Gmail. It begins by introducing Gmail as a free email service developed by Google that allows users to access their email from the web or third-party apps. The document then discusses key features of Gmail like sending large files, organizing emails with labels, backup options, and integration with Google services. It proceeds to give step-by-step instructions for creating a Gmail account, navigating the Gmail interface, composing and sending an email, and finding sent emails in the inbox. The goal is to teach users how to utilize Gmail's functionality.