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Microsoft Defender for Office 365 vs Proofpoint Intelligent Compliance Platform comparison

 

Comparison Buyer's Guide

Executive Summary

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...
Ranking in Email Archiving
1st
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
60
Ranking in other categories
Email Security (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
Proofpoint Intelligent Com...
Ranking in Email Archiving
5th
Average Rating
8.0
Reviews Sentiment
5.5
Number of Reviews
1
Ranking in other categories
eDiscovery (14th), Compliance Management (14th)
 

Mindshare comparison

As of February 2026, in the Email Archiving category, the mindshare of Microsoft Defender for Office 365 is 16.3%, down from 24.8% compared to the previous year. The mindshare of Proofpoint Intelligent Compliance Platform is 5.4%, up from 2.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Archiving Market Share Distribution
ProductMarket Share (%)
Microsoft Defender for Office 36516.3%
Proofpoint Intelligent Compliance Platform5.4%
Other78.3%
Email Archiving
 

Featured Reviews

Emeka Ndulu - PeerSpot reviewer
Cloud Solutions Architect at a tech services company with 201-500 employees
Improves threat visibility and response while reducing manual tasks and training users against phishing
I appreciate the attack simulation feature whereby I get to train users and educate them on how to identify phishing emails and spam emails, as well as the anti-spam protection. It gives me visibility into my threat environment and threat landscape to ensure that I am one step ahead of any likelihood of threats within my environment. I get to detect it and respond, so the threat intelligence is very effective. Microsoft security solutions save my time. It saves money because once I protect my environment, I don't lose money. It has decreased my detection time and my time to respond.
Anita Brüggemann - PeerSpot reviewer
System Administrator at emco Bautechnik GmbH
Effectively reduces spam and malicious emails with reliable detection capabilities
It would be helpful to make it easier for end users to filter and see items in the quarantine within the Proofpoint Intelligent Compliance Platform. As an admin, I believe it would be sensible if end users could also see the quarantine folder in the Proofpoint Intelligent Compliance Platform so they can create their own rules. The reports are all predefined, and I cannot create custom reports, so I am not fully satisfied with their visibility. I would appreciate the ability to generate my own reports.

Quotes from Members

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

Pros

"The DLP feature of Microsoft Defender for Office 365 is valuable, and we also use the DLP feature for email real-time detection."
"Defender for 365 is a comprehensive cloud-based solution. The value of the cloud is that you aren't alone. Threat intelligence and analytics are shared in the cloud. We don't have to find the solution alone. If you face an unknown threat with traditional solutions like Trend Micro and Symantec, you need to open a case and send your information to them to analyze forensically and identify the source of the attack."
"Microsoft Defender for Office 365 has improved my organization's security. It makes it easier to manage the infrastructure without the help of third-party applications."
"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."
"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."
"Microsoft Defender for Office 365's most valuable features are safe attachments and safe links."
"The solution is very easy to use. All you have to do is to assign the license to the end-user and it's done. The customer will only have the feature activated, and the solution will monitor the emails to determine if they are a threat or not."
"It has significantly decreased my time to detection and response."
"Our experience with the platform has been positive as it has maintained consistent control over spam and malware threats."
 

Cons

"Specifically, within Microsoft Defender for Office 365, I want it to improve the DLP capabilities."
"In the areas of improvement for Microsoft Defender for Office 365, the console is the biggest challenge for me."
"Microsoft Defender for Office 365 is not up to the mark in comparison with Wiz or Palo Alto."
"The inbuilt analysis of false positives can be faster. It's not slow, but it can be faster."
"Too many false positives and lacks an accurate capability to detect malicious SharePoint sites."
"In some situations, it has not been able to pick impersonated emails having no attachments. Technical support definitely has a scope for improvement."
"The visibility for the weaknesses in the system and unauthorized access can be improved."
"Microsoft Defender for Office 365 must improve the overall management style, including the GUI. It also needs to change the filters so that it is easy to whitelist and blacklist data."
"The Proofpoint Intelligent Compliance Platform does not provide features that help reduce manual efforts, so additional human resources are still required to manage security."
 

Pricing and Cost Advice

"The solution could be better by simplifying the business model of their licensing. It was hard to figure out how to get the licensing done for the environment, initially."
"The pricing has become expensive."
"Microsoft Defender for Office 365 comes with Microsoft Windows. It is free with the operating system."
"Defender for 365 comes in various plans and licenses, along with other Microsoft security solutions. Purchasing this kind of package or security bundle gives good value for money, and that's what I recommend."
"It's a user-base subscription."
"It is much more expensive than using another solution because we have had to include some options and upgrade our license."
"The pricing is normal. Considering its popularity, it's not overpriced."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
Information not available
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Financial Services Firm
8%
Manufacturing Company
8%
Comms Service Provider
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business23
Midsize Enterprise10
Large Enterprise31
No data available
 

Questions from the Community

What needs improvement with Microsoft Defender for Office 365?
The inbuilt analysis of false positives can be faster. It's not slow, but it can be faster.
What is your primary use case for Microsoft Defender for Office 365?
My use case for Microsoft Defender for Office 365 is for email protection, safe links, protection of links, documents, protecting my documents, and protecting attachments. I also use it to conduct ...
What needs improvement with Proofpoint Intelligent Compliance Platform?
It would be helpful to make it easier for end users to filter and see items in the quarantine within the Proofpoint Intelligent Compliance Platform. As an admin, I believe it would be sensible if e...
What is your primary use case for Proofpoint Intelligent Compliance Platform?
We use the Proofpoint Intelligent Compliance Platform because it has a good ability to detect viruses and malicious emails, and it collects a lot of spam emails. Since we use this platform, the spa...
What advice do you have for others considering Proofpoint Intelligent Compliance Platform?
It is a cloud-based deployment of the Proofpoint Intelligent Compliance Platform. We worked with an internet provider, who is also a security provider, and it took one day to deploy it on the cloud...
 

Also Known As

MS Defender for Office 365
Proofpoint e-discovery and Analytics, Proofpoint Enterprise Archive
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
The Guardian Life Insurance Company of America
Find out what your peers are saying about Microsoft, Barracuda Networks, Veritas and others in Email Archiving. Updated: January 2026.
881,757 professionals have used our research since 2012.