Three reasons to upgrade to Microsoft 365 E5
4 minute read
Kelsey Smith
May 22nd, 2025
The big debate: Microsoft 365 E3 vs E5. Which is better, and what are the benefits of upgrading to E5?
Microsoft E3 is a basic M365 enterprise plan that includes all the M365 apps, Windows, and cloud storage.
E5 builds on E3 by offering additional features such as enhanced security, more advanced analytics, and compliance protection.
1. Level up your security
One of the biggest reasons organisations make the move to E5 is due to its advanced security and threat protection. Microsoft E5 security is unmatched, with Microsoft Defender for Endpoint, Microsoft Defender for Office 365, and Azure AD Premium P2 providing industry-leading protection against the most common cyber threats.
2. Stay compliant
Microsoft E5 licences include Microsoft Purview Compliance Manager and Insider Risk Management, helping organisations meet stringent regulatory requirements such as GDPR and ISO 27001. Features like Advanced eDiscovery, Information Protection, and Data Loss Prevention provide better visibility and control over sensitive data.
3. Analytics and AI
Microsoft E5 licences include Microsoft Purview Compliance Manager and Insider Risk Management, helping organisations meet stringent regulatory requirements such as GDPR and ISO 27001. Features like Advanced eDiscovery, Information Protection, and Data Loss Prevention provide better visibility and control over sensitive data.
Still debating?
Our eBooks take you through everything you need to know about Microsoft 365 E5 and how to make the move. We’re here to help, so download one of the brochures to see how upgrading will help your organisation work smarter, stay secure, and reduce complexity.
Talk to a specialist
We understand that Microsoft licensing is complex, but our experienced specialists are here to help. Get in touch to find out more about Microsoft 365 E3 vs E5 now.
About the author
Kelsey joined Phoenix in late 2022 as the Content and Social Media Apprentice, moving into Content Executive in 2024 after working closely with the Marketing Team to develop her skills in digital marketing. Kelsey’s passion lies in content creation, which is reflected in her contributions across all areas of the business, from external and internal campaigns to our social media accounts.
Kelsey is not only keen to learn about marketing, but also the challenges organisations face and how Phoenix helps them overcome these.