Try our new research platform with insights from 80,000+ expert users

Microsoft Exchange Online Protection (EOP) vs Trend Micro Deep Discovery Email Inspector comparison

Sponsored
 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 3, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Microsoft Defender for Offi...
Sponsored
Ranking in Email Security
1st
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
52
Ranking in other categories
Email Archiving (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
Microsoft Exchange Online P...
Ranking in Email Security
6th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
39
Ranking in other categories
Anti-Malware Tools (7th)
Trend Micro Deep Discovery ...
Ranking in Email Security
20th
Average Rating
7.8
Reviews Sentiment
7.1
Number of Reviews
8
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 12.3%, down from 16.9% compared to the previous year. The mindshare of Microsoft Exchange Online Protection (EOP) is 6.3%, down from 8.8% compared to the previous year. The mindshare of Trend Micro Deep Discovery Email Inspector is 0.5%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security
 

Featured Reviews

Tolu Omolaja - PeerSpot reviewer
Great URL scanning and attachment scanning, but I would like more proactive threat analysis
The two main features that prove most beneficial for us are URL scanning and attachment scanning. URL scanning involves an automatic scan of links and emails. When a user clicks on a link within an email, the system promptly checks the link's safety. If the link is deemed safe, access is granted automatically. However, if it is flagged as unsafe, we receive feedback and notification to caution us about the potentially harmful link. At this point, we are presented with the option to proceed or return. I have personally witnessed the system identify a few unsafe links, making this the primary advantage of using the solution. The second crucial aspect is the scanning of attachments. When an email containing an attachment arrives, we receive a notification of the new email, along with information that the attachment is being scanned for threats. This additional layer of security provides peace of mind for our organization. While Microsoft Defender for Office 365 offers numerous features, these two stand out as particularly impressive and valuable to us.
Amber Worth - PeerSpot reviewer
Retrieves data from quarantines and easy to read logs with robust security features
Some of the searchability when looking for specifics in Exchange logs is tedious. Although eventually the information is located, it can be difficult if detailed information is lacking. Improving the search process by allowing searches with different types of parameters and facilitating searches within emails would be advantageous. Simplifying interfaces would also be appreciated.
Bilal Saleem - PeerSpot reviewer
Reliability and threat intelligence make this solution competitive, but AI improvements can further enhance its effectiveness
The best features of Trend Micro Deep Discovery Email Inspector include its reliability. The second valuable feature is its built-in sandbox feature, allowing for inspection of incoming emails and attachments. The sandbox is an appliance that opens any attachment in an enclosed environment to assess its impact and potential for viruses. This protects the network from harmful threats. Trend Micro has a very large R&D team with excellent threat intel, allowing them to provide better solutions than some competitors. They understand emerging threats based on the information from their EDR. The key strengths can be summarized as reliability, a good integrated one-box solution that includes a sandbox, and their R&D capabilities and good ratings, which lead to better threat intelligence. The detailed threat intelligence provided by Trend Micro Deep Discovery Email Inspector is valuable in understanding the behavior and tactics of potential email threats.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Microsoft Defender for Office 365 helps people to work remotely. It is a secure solution. We don't need to use our company's computers or get VPN connections to the networks. I can control how they share screens and what they send to the devices. It keeps our organizations confidential and sensitive information safe."
"Scalability-wise, I do not think there are any issues so far."
"Microsoft Defender has a feature to protect each and every attachment. Even if it's an encrypted attachment, it will check for any potential threats."
"Does a thorough job of examining email and URLs for malicious content."
"The initial setup is straightforward. You just add the license, click it, and then you can set up the rules. It is quite simple."
"We use Microsoft Defender for its ability to integrate with existing business technologies, which is beneficial for protecting business areas."
"Safe attachments, safe links, policies, and the ability to protect from zero-day threats are the most valuable features."
"Microsoft Defender for Office 365's most valuable feature is its performance."
"The security features provided by Microsoft are robust."
"The email policy configuration options in Microsoft EOP are satisfactory."
"It provides security to both on-premises and Azure infrastructures."
"The most valuable feature is the ease of administration. Other solutions require complex administration, but Microsoft Exchange Online Protection is easier."
"I rate Microsoft Exchange Online Protection (EOP) nine out of ten."
"It is scalable."
"The solution's stability is very, very good. I didn't face any problems in the last year."
"It is an easy solution."
"I like that it is very user-friendly and easy to install."
"The best features of Trend Micro Deep Discovery Email Inspector include its reliability."
"I would rate the solution's stability at ten out of ten."
"The most valuable feature of Trend Micro Deep Discovery Email Inspector is the simple analysis of phishing emails."
"The solution's most valuable features include visibility into the network and fast sandboxing technology for alerts, though response time can vary."
"I highly recommend Trend Micro Deep Discovery Email Inspector due to its security and scalability features."
"I find Trend Micro to be a good solution for security purposes."
"It can effectively monitor outbound and inbound devices."
 

Cons

"Microsoft should provide more documentation for users so they can self-educate. I would like to see more documentation for advanced security features."
"There's room for improvement regarding the time frame for retrieving emails."
"One area for improvement is integration. For example, when it comes to external SaaS platforms, we were not able to get a lot of information on integrations with such apps for security and authentication."
"They can improve their security in a way where a customer can know if all their attachments are safe or not to open through a report. The solution does its job perfectly, but it never reports to the customer whether those attachments have been stopped before or not."
"Microsoft security solutions work as expected. They are constantly updating the solutions to make them better. At the same time, the changes can impact a customer's environment, and we need to adjust settings. Sometimes we aren't aware of the changes, and nothing is pushed from the backend automatically."
"Configuring the default strategies and policies in Microsoft Defender for Cloud Apps generates a lot of noise and false positives."
"There is a different console for different things; I just want one consolidated console."
"It would be better if it were more scalable. It depends on the architecture, but we would like to make it more scalable for both data centers."
"The price of Microsoft Exchange Online Protection could be reduced to make it more competitive."
"Microsoft 365 Defender and EOP policies are stable with the proper license. However, with the basic policy, it's hard to say it's stable due to configuration limitations."
"Performance and speed should continue to be improved."
"The licensing can be on the expensive side, especially in the cloud space."
"We have experienced issues while migrating from on-prem to the cloud. The tool needs to improve its stability."
"The tool's classification for bulk email is cumbersome."
"The security compliance features need to be improved. Sometimes, a client's mailbox becomes full because of retained information and not because of mail. I would like to see improvement in block rules as well."
"The biggest issue that I experience is that Microsoft keeps moving things around, and it's very inconsistent as to where you find the information when you're trying to work on different pieces."
"The product's feature for message processing and blocking devices for bulk emails needs improvement."
"The dashboard could be improved to match the quality of Check Point Harmony's dashboard."
"I would like to be able to send emails to a specific sandbox. This is a feature I would like to see added to the next release."
"The tool needs to incorporate faster response times for issue detection, more detailed reports, and better compatibility with older operating systems (e.g., Windows 7, 8, Server 2012)."
"Trend Micro Deep Discovery Email Inspector could improve by making it easier to use. Microsoft solutions are easier to use."
"To improve Trend Micro Deep Discovery Email Inspector, it should have updates with better AI and ML-based integration."
"Trend Micro's technical support has room for improvement."
"Trend Micro's technical support has room for improvement. More efficient support should be provided, especially for standard support."
 

Pricing and Cost Advice

"I was working in the government and it was too expensive for us to use our Microsoft products."
"The pricing has become expensive."
"The product is very expensive."
"Compared to other brands, Microsoft Defender for Office 365's pricing is competitive."
"Defender is a little bit more expensive as compared to others. We are in the manufacturing environment. So, we don't have a high budget for all of our endpoint devices. Its cost is a major concern for us."
"It's a user-base subscription."
"From the pricing point of view, like any other product in the market, there is scope for negotiation."
"The license is expensive because the cost is based on the number of users."
"The solution's pricing is subscription-based rather than a yearly licensing cost. Pricing is based on the size of the environment and company and can be expensive."
"The solution should reduce the cost."
"The pricing of the solution is reasonable."
"The product's pricing is competitive for the US market."
"The solution falls on the higher or more expensive side of the spectrum."
"Microsoft Exchange Online Protection's pricing is a little bit more because its price has recently increased."
"On a scale of one to ten, where one is cheap, and ten is very expensive, I rate the pricing a six. For licensing, we can make monthly or yearly payments. Right now, we pay 5 USD per month to secure a person's license."
"It is a low-price solution."
"It's an expensive solution, and you may not see a return on investment in a short period of time. However, you will see a return over a long period of time."
"The price of Trend Micro Deep Discovery Email Inspector is less expensive than Microsoft solutions."
"We pay for an annual subscription for this email security solution."
"The solution's pricing is high, and I would rate it an eight out of ten."
report
Use our free recommendation engine to learn which Email Security solutions are best for your needs.
860,592 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Computer Software Company
15%
Financial Services Firm
9%
Government
8%
Manufacturing Company
7%
Computer Software Company
12%
Financial Services Firm
12%
Performing Arts
9%
Media Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Microsoft Defender for Office 365?
Threat Explorer is an invaluable tool for me, and it plays a crucial role in helping me discern the origins of variou...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
Microsoft is quite affordable with a lot of features available for any size organization.
What needs improvement with Microsoft Defender for Office 365?
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS recor...
What do you like most about Microsoft Exchange Online Protection?
The initial setup was easy. The configuration process is very straightforward.
What needs improvement with Microsoft Exchange Online Protection?
I would like to improve the setting of rules in Microsoft Exchange Online Protection (EOP) as it is currently working...
What is your primary use case for Microsoft Exchange Online Protection?
I am using Microsoft Exchange Online Protection (EOP) ( /products/microsoft-exchange-online-protection-eop-reviews ) ...
What is your experience regarding pricing and costs for Trend Micro Deep Discovery Email Inspector?
On the pricing side, Trend Micro Deep Discovery Email Inspector is not the cheapest, but it's not the highest either....
What needs improvement with Trend Micro Deep Discovery Email Inspector?
To improve Trend Micro Deep Discovery Email Inspector, it should have updates with better AI and ML-based integration...
 

Also Known As

MS Defender for Office 365
Microsoft EOP, MS Exchange Online Protection
Deep Discovery Email Inspector
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Information Not Available
Bank Saint Petersburg, CEITEC S.A., Dar Al-Handasah, Mitsubishi Electric Information Systems, Motilal Oswal Financial Services Ltd, OKWAVE, Oman Arab Bank, VakifBank
Find out what your peers are saying about Microsoft Exchange Online Protection (EOP) vs. Trend Micro Deep Discovery Email Inspector and other solutions. Updated: June 2025.
860,592 professionals have used our research since 2012.