Integrating Gmail with Google Sheets can help keep track of essential conversations and action items, or automate workflows such as sending emails to customers. There are two main ways to integrate the two apps: using scripts in Google Apps Script, which requires technical knowledge, or using no-code automation tools like Zapier. Zapier allows users to create automated workflows with just a few clicks, connecting Gmail and Google Sheets without needing to write code. The tool can be used to save emails from Gmail to Google Sheets, send new spreadsheet rows as emails, and even automate tasks such as sending welcome emails to new leads in a CRM system. By integrating these two apps, users can take control of their inbox and streamline their workflow.