What is the difference between Microsoft Office E1 E2 License?

Microsoft Office E1 and E2 licenses are part of the Microsoft 365 subscription plans designed for businesses. The E1 license provides web-based Office applications and services like Exchange Online, SharePoint, and Teams, but lacks desktop application access. In contrast, the E2 license includes all the features of E1 and adds the ability to use Office desktop applications, along with additional compliance and security features. Overall, E2 offers more comprehensive productivity tools for users who need advanced capabilities.