Microsoft Office 365 E3 is a mid-tier option for Office 365 subscribers that include all of the functionality of E1 and the complete desktop suite of MS Office 365 programs, and more storage for SharePoint and email. Microsoft Office 365 E3, a cloud-based suite of productivity tools and services, includes data security and compliance features. We will also provide an in-depth comparison of the three different versions of Microsoft Office 365, discuss the benefits of Microsoft Office E3, and give a breakdown of what each plan offers and more. This post will address these questions and propose the ideal service for your business. You might have several questions: which plan provides the most value for money? Do I require E5's enhanced analytics and security functionality? Is it more cost-effective to use E3 and use third-party email security? With these multiple versions, users need clarification when comparing and choosing the right one. Microsoft Office 365 comes in three different plans, which include E1, E3, and E5.