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Microsoft Defender for Office 365 vs Proofpoint Intelligent Compliance Platform comparison

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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
61
Ranking in other categories
Email Security (2nd), Advanced Threat Protection (ATP) (3rd), Microsoft Security Suite (9th), Secure Email Gateway (SEG) (2nd)
Proofpoint Intelligent Com...
Ranking in Email Archiving
6th
Average Rating
8.6
Reviews Sentiment
6.6
Number of Reviews
2
Ranking in other categories
eDiscovery (11th), Compliance Management (13th)
 

Mindshare comparison

As of September 2026, in the Email Archiving category, the mindshare of Microsoft Defender for Office 365 is 9.2%, down from 32.6% compared to the previous year. The mindshare of Proofpoint Intelligent Compliance Platform is 5.3%, up from 2.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Archiving Mindshare Distribution
ProductMindshare (%)
Microsoft Defender for Office 3659.2%
Proofpoint Intelligent Compliance Platform5.3%
Other85.5%
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.
reviewer2842215 - PeerSpot reviewer
Associate at a legal firm with 201-500 employees
Centralized archiving has transformed how we manage compliance, audits, and investigations
Overall Proofpoint Intelligent Compliance Platform is a strong platform for compliance and information governance, but there are a few areas where it could improve in the future. One improvement area is the user experience and interface consistency across different modules. Some workflows can feel complex, especially for a new user or the team managing multiple compliance functions simultaneously. Community feedback has also highlighted that certain administrative interfaces and navigation flows could be more modern and streamlined. I also think there is room for improvement in support responsiveness and operational simplicity for complex deployments. Some users in the community have mentioned challenges around the ticket response time and troubleshooting efficiency for advanced configurations that needs to be improved. From a product perspective, a continued investment in AI-driven detection, the reduction of false positives, and easier policy tuning would make the platform even more effective at scale. Proofpoint already provides strong automation and machine learning capabilities, but a highly regulated environment still requires significant tuning and oversight to optimize the workflow. One additional improvement for Proofpoint Intelligent Compliance Platform would be making policy configurations and workflow management more intuitive, especially for organizations with complex compliance structures and multiple regulatory requirements. I also think more customizable dashboards and reporting capabilities would help teams gain faster operational insight and improve visibility into the compliance trends, investigations, and reliable workload.

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 is a cloud-based email filtering service that helps protect our organization against unknown malware and viruses by providing robust zero-day protection and includes features to safeguard our organization from harmful links in real-time."
"The stability of Microsoft Defender for Office 365 is fantastic."
"Since we have started using the solution, there have been fewer compromises."
"My experience with customer support and technical support for Microsoft Defender for Office 365 has been excellent."
"It has significantly decreased my time to detection and response."
"Does a thorough job of examining email and URLs for malicious content."
"Scalability-wise, I do not think there are any issues so far."
"One of our clients didn't have the budget to invest in a SOC team, but we deployed the solution for them, and they now run a SOC with only one analyst."
"Overall, Proofpoint Intelligent Compliance Platform is a very strong and reliable platform for compliance, archiving, supervision, and information governance."
"Our experience with the platform has been positive as it has maintained consistent control over spam and malware threats."
 

Cons

"Its price should be improved. Its cost is a major concern for us."
"This product's effectiveness could be improved, in terms of detecting unwanted spam or even malware between the emails, compared to other products."
"The visibility into threats is not up to the mark, as I do not have control. I rate my experience with Microsoft Defender for Office 365 as six out of ten due to troubleshooting and pricing concerns."
"Microsoft Defender for Office 365 should improve the troubleshooting tools. It's unclear whether the device is blocked at the firewall level or at the device itself. The granularity needed for troubleshooting is currently lacking. From my perspective, Microsoft should address this issue to benefit many users who likely share the same sentiment."
"The XDR dashboard has room for improvement."
"We need a separate license and we don't know how to get the license that is required."
"Microsoft Defender for Office 365 should be more proactive."
"In some situations, it has not been able to pick impersonated emails having no attachments. Technical support definitely has a scope for improvement."
"Some workflows can feel complex, especially for a new user or the team managing multiple compliance functions simultaneously."
"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

"Compared to other brands, Microsoft Defender for Office 365's pricing is competitive."
"It is much more expensive than using another solution because we have had to include some options and upgrade our license."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"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."
"The pricing is normal. Considering its popularity, it's not overpriced."
"I was working in the government and it was too expensive for us to use our Microsoft products."
"I know that the product is incredibly expensive."
"The license is expensive because the cost is based on the number of users."
Information not available
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Manufacturing Company
9%
Financial Services Firm
8%
Comms Service Provider
8%
Legal Firm
13%
Construction Company
13%
Financial Services Firm
10%
Comms Service Provider
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise11
Large Enterprise32
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
My experience with pricing, setup, and licensing is that it's actually quite reasonable even on the licensing side as a standalone product. It's very competitive compared to what competitors are ch...
What needs improvement with Microsoft Defender for Office 365?
I think Microsoft Defender for Office 365 can be improved by creating more educational pieces about not just looking for malware. We are seeing a lot more malware-less emails that Defender for Offi...
What is your primary use case for Microsoft Defender for Office 365?
My main use cases for Microsoft Defender for Office 365 include email hygiene.
What needs improvement with Proofpoint Intelligent Compliance Platform?
Overall Proofpoint Intelligent Compliance Platform is a strong platform for compliance and information governance, but there are a few areas where it could improve in the future. One improvement ar...
What is your primary use case for Proofpoint Intelligent Compliance Platform?
My main use case of Proofpoint Intelligent Compliance Platform is supporting compliance, information governance, and communication monitoring requirements within the organization. I primarily use i...
What advice do you have for others considering Proofpoint Intelligent Compliance Platform?
Overall, Proofpoint Intelligent Compliance Platform is a very strong and reliable platform for compliance, archiving, supervision, and information governance. It provides significant operational va...
 

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 Defender for Office 365 vs. Proofpoint Intelligent Compliance Platform and other solutions. Updated: September 2026.
914,322 professionals have used our research since 2012.