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Microsoft Purview Customer Lockbox vs Proofpoint Email Protection 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 Purview Customer ...
Ranking in Office 365 Protection
7th
Average Rating
9.0
Reviews Sentiment
7.9
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Proofpoint Email Protection
Ranking in Office 365 Protection
2nd
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
53
Ranking in other categories
Email Security (3rd), Advanced Threat Protection (ATP) (4th), Digital Risk Protection (3rd), Secure Email Gateway (SEG) (2nd)
 

Mindshare comparison

As of January 2026, in the Office 365 Protection category, the mindshare of Microsoft Purview Customer Lockbox is 1.6%, down from 2.5% compared to the previous year. The mindshare of Proofpoint Email Protection is 23.2%, up from 15.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Office 365 Protection Market Share Distribution
ProductMarket Share (%)
Proofpoint Email Protection23.2%
Microsoft Purview Customer Lockbox1.6%
Other75.2%
Office 365 Protection
 

Featured Reviews

Mayeen Uddin - PeerSpot reviewer
Officer at SFIL
Dashboard functionality and data processing offer value with an easy setup
We are using Microsoft Purview Customer Lockbox for email access The most important feature is data processing. I like the dashboard and the undo or multi-call feature of Microsoft Purview Customer Lockbox. The pricing for personal users is not cost-effective. It feels expensive for individual…
reviewer2500410 - PeerSpot reviewer
Senior Cybersecurity Specialist at a retailer with 10,001+ employees
Has provided reliable threat detection and simplified policy management
I do not have experience with Microsoft Purview products, but I know some Proofpoint products. I apologize, I do not have experience with the Purview one, but I do know the Proofpoint products. I'm not sure about the features of the Purview one. Compared to other products, Proofpoint's real-time threat intelligence makes it less noisy. They collect and share threat information effectively, which benefits all customers. I have seen a lot of improvements in Proofpoint's reporting and analytics compared to earlier days. As a leader in the market, I find the pricing for Proofpoint Email Protection is a little high. Their licensing models vary, and even the premium model adequately supports awareness campaigning, so I find it acceptable. Normally, they sell their products through resellers, not directly through AWS Marketplace. For us, we are clients of Proofpoint. I rate Proofpoint Email Protection a nine out of ten.

Quotes from Members

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

Pros

"The most important feature is data processing."
"The solution is very user-friendly."
"It's detection of true positives are great, as it's cloud based it's very scalable and stable."
"The archive feature is valuable."
"The solution scales quite well."
"The most valuable features of Proofpoint Email Protection are the performance from being on the cloud."
"The solution's technical support is good. I rate the technical support a ten out of ten."
"Proofpoint Email Protection offers an additional layer of protection compared to other brands like Microsoft, Mimecast, and Barracuda. While these major companies excel at detecting malicious attachments, the solution goes further by analyzing the context of emails, allowing for more nuanced decision-making."
"The most valuable feature of Proofpoint Email Protection is the central location dashboard for viewing all the related information for risk."
 

Cons

"The pricing for personal users is not cost-effective."
"The initial setup is complex."
"It has too many screens. It is kind of a conglomeration of products. In other words, they built product A, product B, and product C, and they are yet to integrate them into a single administrative console. I would certainly like to see a more seamless administrative interface. I would also like to see them include more bang for the buck, by including features like email fraud protection, rather than making their product so piecemeal, where you are buying little pieces. I agree with the idea of having multiple tiers or layers, but maybe as small, medium, and large, as opposed to an a la carte menu."
"Proofpoint Email Protection has a new approach to email security with its API feature. Currently, it only works with Office 365. In the future, it would be beneficial if it also works with Gmail, as Check Point is currently the only brand that has API email security for Gmail. It would be beneficial if Proofpoint Email Protection could add this integration, they would be more competitive with other vendors."
"The incident reporting on offer needs to be improved. It's lacking right now. It should be on the platform somewhere."
"Integration and filtering out who you want and don't want to have integrated ID could be improved."
"The solution could lower its price."
"The email DLP portion could be a bit easier."
"One major threat is QR code phishing, along with TOAD (Telephone-Oriented Attack Delivery). TOAD attacks don't include links, URLs, or attachments in emails. Instead, attackers try to trick you into calling them, often by offering something enticing like a 50% discount on football matches."
 

Pricing and Cost Advice

Information not available
"They are competitively priced, but I have been forced to get quotes for other solutions now because they haven't been responding to requests to do the work that we would like them to do."
"It is on a yearly basis. Their floor for SMB doesn't matter. The user count is 100 users and below at $2,500 a year. Its cost is higher than other solutions. It is probably about 20% to 30% higher than what you would get with Microsoft. There are no additional costs. All costs are factored in. It can be improved pricing-wise so that it is affordable for the SMB market."
"It is multiple times more expensive, which made it very much less attractive."
"The licensing is basically $8/user."
"The solution uses a licensing model that is reasonable compared to other products."
"The licensing cost of Proofpoint Email Protection is a lot higher than other solutions, such as Barracuda."
"I rate the product price a seven on a scale of one to ten, where one is low price and ten is high price."
"In general, the pricing is competitive."
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Top Industries

By visitors reading reviews
No data available
Computer Software Company
12%
Financial Services Firm
11%
Manufacturing Company
8%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise13
Large Enterprise17
 

Questions from the Community

What needs improvement with Microsoft Purview Customer Lockbox?
The pricing for personal users is not cost-effective. It feels expensive for individual expenses.
What is your primary use case for Microsoft Purview Customer Lockbox?
We are using Microsoft Purview Customer Lockbox for email access.
What is your experience regarding pricing and costs for Proofpoint Email Protection?
In terms of pricing, it is okay compared to others. I would say it is normal. Additional costs do come in, but it enhances security.
What needs improvement with Proofpoint Email Protection?
I believe they still need to improve by consolidating some portals, as currently, you have to log in separately to a few of them.
 

Also Known As

No data available
Proofpoint Enterprise Protection, Proofpoint Digital Protection
 

Overview

 

Sample Customers

Information Not Available
Blocket, University of Waterloo, Lincoln Memorial University, WellSpan Health, U-Haul, Carestream Health, Westinghouse
Find out what your peers are saying about Sophos, Proofpoint, Mimecast and others in Office 365 Protection. Updated: January 2026.
879,768 professionals have used our research since 2012.