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Microsoft Exchange vs ProtonMail 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 Exchange
Ranking in Email Applications
3rd
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
91
Ranking in other categories
Wireless Email (1st), File Archiving (3rd)
ProtonMail
Ranking in Email Applications
10th
Average Rating
9.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2025, in the Email Applications category, the mindshare of Microsoft Exchange is 11.4%, down from 12.5% compared to the previous year. The mindshare of ProtonMail is 4.7%, up from 3.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications
 

Featured Reviews

Hesham Hussain - PeerSpot reviewer
A good solution for large enterprises, but is expensive when compared to other solutions
Regarding the decision of increasing the number of users, it depends on the organization's choice, whether to opt for CapEx or OpEx. Both options involve expenses over the years. Building an in-house Exchange solution requires investing in hardware, storage, connectivity, and administrative resources. Office 365 shifts the budget solely to OpEx as a subscription service. Scalability is another factor. Starting a new company favors Office 365 due to cost efficiency. As the organization grows, the choice depends on available resources and technical expertise. An internal Exchange setup is feasible with skilled engineers, while Office 365 suits those lacking in-house resources.
Secure email communication facilitates safe financial exchanges and enhances data privacy
I use ProtonMail for exchanging invoicing with clients, managing financial information, and receiving notifications from bank accounts and investment brokers. It's dedicated to high-importance communication involving financial information The auto encryption of attachments is valuable. ProtonMail…

Quotes from Members

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

Pros

"Microsoft Exchange is highly stable for the end-user systems. When we move to Office 365, it will be even more stable even. There's less administration required and it's very robust. We are really quite happy in using that."
"The product can scale."
"I find Exchange's basic mail features to be highly valuable."
"The technical support is fine."
"All features are useful; they meet the purpose of an email server."
"The deployment is a plug-and-play process."
"The most valuable feature of Microsoft Exchange is the email storage is on the cloud. We don't have to delete emails often."
"What I love about Microsoft Exchange is the good integration since 2013, particularly its integration with the calendar and other software such as Zoom, TeamViewer, AnyDesk, etc."
"The auto encryption of attachments is valuable."
 

Cons

"I think that improvements should be made in creating greater abilities for Microsoft Exchange in terms of Reasearch and Development."
"The licensing model could be improved."
"Exchange can be a little finicky, sometimes, or flakey. Last week, for example, I had gone into my calendar to check on some briefings that I had established, and then went back into my inbox, and suddenly the view had changed. I had no idea what it was that I had done, and I couldn't figure out how to get that view back. I took a productivity hit as a result of that, trying to fix it, due to the fact that it just wasn't what I wanted. It wasn't what I was used to working with. Two different tech support people had to work with me in order to get the view back to what I wanted just so I could be productive."
"We would prefer to be able to manage the solution on the cloud."
"Some users encounter stability issues. I connect with the support team through my local partner, which takes time."
"When an update wants to come, it should just come maybe once or twice rather than having us deal with constant updating."
"It's not always the finest solution in terms of integration with products that are not from Microsoft. It integrates very well with Microsoft products but not with third-party products."
"Exchange took time to be deployed. It requires extensive configuration and setting up servers and managing internal network access."
"One improvement could be the integration between ProtonMail and Proton Pass, allowing sharing of specific secrets via email."
 

Pricing and Cost Advice

"The price of Microsoft Exchange could improve. In Egypt, the price keeps increasing."
"It's working very well. There is no problem, but the price is not the best."
"We renew the product license with Microsoft every three years. The cost is included within a bundle of services. It's an enterprise agreement with Microsoft."
"I have Outlook 365 Professional, and Exchange comes in the bundle with other solutions, such as Word and OneDrive. I pay for the use of the bundle monthly and I can imagine if you are a company with many licenses the pricing model would be a lot different."
"This solution is expensive."
"Microsoft Exchange itself does not require a license, but users who will have mailboxes will require a license. It depends on the number of users to choose which license. If you exceed 2,000 mailboxes, it's preferable to get the enterprise license."
"The solution is expensive to maintain because it requires frequent updates and ongoing server maintenance."
"Its price is okay."
Information not available
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Government
11%
Financial Services Firm
9%
Comms Service Provider
8%
Computer Software Company
13%
Comms Service Provider
11%
Educational Organization
11%
Retailer
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

How does Zimbra Collaboration compare with Microsoft Exchange?
Zimbra is a free, open source collaborative software suite. The features I like best are the ease of integration and the email, calendar, and collaboration server with web interface. In addition, I...
What do you like most about Microsoft Exchange?
The initial setup was straightforward and fast.
What is your experience regarding pricing and costs for Microsoft Exchange?
The licensing and pricing are quite costly, which can demotivate customers from opting for features and upgrades. However, the solution provides value for money if one is well-acquainted with Excha...
What is your experience regarding pricing and costs for ProtonMail?
The pricing is competitive, offering good value on the average plan. It’s approximately $100 for annual billing.
What needs improvement with ProtonMail?
The UI was previously cumbersome, however, it has improved. One improvement could be the integration between ProtonMail and Proton Pass, allowing sharing of specific secrets via email. However, thi...
What is your primary use case for ProtonMail?
I use ProtonMail for exchanging invoicing with clients, managing financial information, and receiving notifications from bank accounts and investment brokers. It's dedicated to high-importance comm...
 

Also Known As

Exchange, MS Exchange
No data available
 

Overview

 

Sample Customers

Paderborn-Lippstadt Airport, Scitec Nutrition, British Airways, InnoGames, Osteology Foundation, Franz Haniel & Cie. GmbH, NTC Contracting
Wall street journal,The New york times, The Gurdian, Forbes, Fox News
Find out what your peers are saying about Google, Microsoft, Amazon Web Services (AWS) and others in Email Applications. Updated: March 2025.
847,772 professionals have used our research since 2012.