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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
1st
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
60
Ranking in other categories
Email Security (2nd), Advanced Threat Protection (ATP) (4th), Digital Risk Protection (3rd), Secure Email Gateway (SEG) (2nd)
 

Mindshare comparison

As of February 2026, in the Office 365 Protection category, the mindshare of Microsoft Purview Customer Lockbox is 1.6%, down from 2.3% compared to the previous year. The mindshare of Proofpoint Email Protection is 25.8%, up from 15.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Office 365 Protection Market Share Distribution
ProductMarket Share (%)
Proofpoint Email Protection25.8%
Microsoft Purview Customer Lockbox1.6%
Other72.6%
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…
IS
Threat Hunter at a manufacturing company with 10,001+ employees
Email protection has reduced phishing workload and keeps unwanted messages out of inboxes
A few things about how Proofpoint Email Protection can be improved include implementing artificial intelligence within their platform to start really understanding the organization that is using their product, what sort of emails they are expecting and if the emails that are being expected should be let in and if the emails that are not being expected should not be let in. I'll give you a further example for this. If someone just tries to send an email from a Gmail address, which is a free public service email service provider, then because anyone in the world can create a Gmail account, I think it is nice and good for Proofpoint Email Protection to actually first check and do a reality check if we have received an email from this address and look at the intent of the email to really see what the email is trying to do and then classify based on that. I still see there is a lack. Hence why I started this conversation with AI and hoping that Proofpoint Email Protection will bring AI in and to really start analyzing these emails, the intent, and whether they really fit the customer organization. We are a manufacturing company, so whether it really fits that profile. I would say if we can get a better user experience from Proofpoint Email Protection products, that would be good. For example, other service providers that provide secure email gateway have the functionality where you can split promotional and bulk email and have them sent to a separate folder. I think if we can have that sort of feature, that would be great where Proofpoint Email Protection just keeps the important emails in the inbox folder and move everything else that is not really business related into a promotional, spam, bulk folder. This is an improvement that I would really like to see. I give it an eight because I am expecting a lot more from Proofpoint Email Protection, more automations, more understanding of who their customer is, what sort of business they do, and what sort of email they are supposed to be receiving and letting through. I think the day when I really have only 1% of work to do and 99% is automated by whatever automation services Proofpoint Email Protection uses would be ideal. I think I have covered any other improvements needed for Proofpoint Email Protection pretty well right from AI to splitting emails based on priorities. I think I have given some pretty broad and good examples.

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 most valuable feature is the option to edit the inbound security."
"I have seen a drop of about 90% in the number of phishing emails, malware, and other threats since using Proofpoint Email Protection."
"Proofpoint Email Protection has provided top shelf email protection services and has prevented breaches and loss of data."
"I recommend all of my customers to migrate and start using Proofpoint as it is secure, minimizes risk, and eliminates phishing attacks."
"The solution scales quite well."
"The archive feature is valuable."
"The solution offers very good flexibility. You can blacklist or whitelist with ease."
"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."
"As a manager with multiple customers using Proofpoint Email Protection, having the ability to manage the admin console more efficiently would be beneficial."
"You only receive one model in Proofpoint Email Protection and the other ones you have to purchase at a high price. There should be more available with the solution and additional models should be less expensive."
"Proofpoint Email Protection could improve the Mail Trace feature and make navigation easier."
"We'd like to have the ability to create more customized reports."
"The email DLP portion could be a bit easier."
"I believe they still need to improve by consolidating some portals, as currently, you have to log in separately to a few of them."
"Proofpoint should have better integration with complex environments that need more than one instance of Proofpoint, as there are issues with nested instances."
"The flexibility of the solution can be improved."
 

Pricing and Cost Advice

Information not available
"Clients pay for an annual subscription of Proofpoint Email Protection. Every client always finds it expensive."
"Pricing has recently been increased and the cost is a downside"
"We sell annual licenses for this solution."
"Proofpoint Email Protection is a reasonably priced product, which means that it is neither too low nor too high in terms of price."
"Customers pay around $90,000 yearly for a 1,000-user organization, with the subscription license being the main expense, apart from implementation fees."
"Proofpoint Email Protection has comparable pricing."
"It is multiple times more expensive, which made it very much less attractive."
"The solution charges per user per month to use it. There are not any additional fees in addition to the standard living fees."
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
11%
Computer Software Company
10%
Manufacturing Company
9%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise16
Large Enterprise21
 

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 have not seen specific outcomes or metrics since implementing Proofpoint Email Protection, such as a reduction in phishing incidents or improved response time. Proofpoint Email Protection can imp...
 

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 Proofpoint, Sophos, Mimecast and others in Office 365 Protection. Updated: February 2026.
881,733 professionals have used our research since 2012.