Office 365 E3 vs E5 – What are the important differences?

Office 365 E5 is the most expensive Office 365 plan available, E3, on the other hand, one of the most used ones. So the question is, is E5 worth the extra money?

In this article we will dive deep into the Office 365 E5 plan and how it compares to the E3 plan, what are the biggest differences and of course a comparison chart of Office 365 E3 vs E5 at the end with all the import details next to each other.

Office 365 E5

So lets first start with some general info on the E5 plan, the super-powered version of Office 365. E5 got everything that E3 has, but the biggest differences can be found in the security and voice.

Office 365 E5 has all the security features that Office 365 has to offer, think of Advanced Threat Protection and Customer Lockbox. Also, Office 365 E5 is the only plan (besides the Microsoft 365 plans) that comes with PSTN capabilities (Skype for Business Cloud PBX), and advanced analytics.

This way you can use Skype as a complete phone system integrated fully in your Office 365 suite.


Let’s start with the security features. Office 365 E5 comes with a lot of security features to really tighten down your security.

With Office Advanced Threat Protection your files, emails and Office applications against any threat. It comes with Mailicous link protect, which will scan any link in real-time to check if the link is safe to follow.

Safe attachments will scan any attachment on malicious behavior. It uses machine learning to find the latest threat, protecting you from zero-day exploits. This way you can keep your inbox malware free

All of this can be reviewed in an advanced reporting tool, allowing you to track down users that are being targeted and investigate the message that is block due to malicious malware or links.

Customer lockbox

Another great feature of Office 365 E5 is the customer lockbox. If you are working with sensitive data, you might don’t want to give Microsoft support engineers full access to your data. With lockbox you can control how the engineers can access your data.

Power BI

Analyzing data is getting more and more important. The Power tools from Microsoft are a great way to do more with your data. Power BI is a great tool to create interactive dashboards, analyze data in Excel and connect different data sources, on-premises and in the cloud, together.

Power BI is included in Office 365 E5, but you can also buy it as an add-on for other Office 365 plans. The price for the add-on is $10

Office 365 Cloud App Security

Another feature that is included in Office 365 E5 and not in E3 is Cloud App Security. With Cloud App Security you can discover Shadow IT in your organization. Cloud application makes work and IT a lot easier, but also gives users the opportunity to use other apps that are not in your control, with potential data loss as a result.

The Office 365 Cloud App Security has the ability to track down similar cloud apps like Office 365, this way you can protect and control sensitive information.

Office 365 E3 vs E5

  Office 365 E3 Office 365 E5
  Starting at
$20.00 user/month
Starting at
$35.00 user/month
Included items More info More info
Core Details
Price user/month (annual commitment) $20.00 $35.00
Seat Cap Unlimited Unlimited
Office Apps
Install Office on 5 Devices
Phone and tablet/user 5 5
Office Online
Excel Power Query and Power Pivot
Use Office on Remote Desktop
Standard Services
Onedrive Storage Unlimited Unlimited
Exchange Plan 2 Plan 2
Exchange Online Mailbox storage 100GB 100GB
Exchange Online Archive Storage Unlimited Unlimited
SharePoint Plan 2 Plan 2
Business Apps
Stream Plan 1 Plan 2
Insights by MyAnalytics
MyAnalytics (Full)
Power BI
Office 365 Privileged Access Management
Audio Conferencing
Phone System
Advanced Services
Cloud App Security
Threat Intelligence
Customer Lockbox
Office Advanced Threat Protection
Active Directory Intergration
Azure Rights Management
Mobile Device Management for Office 365
Licensed for hybrid deployment
Support for shared computer activation
Compliance – In-place hold, Data-loss prevention, in-place archive
Advanced Compliance
Advanced Data Governance
More info More info
Buy Buy


If you have any questions or if you see a mistake in the Office 365 E3 vs E5 comparison table, then just drop a comment below.

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