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Microsoft Exchange vs Zimbra Collaboration comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 8, 2026

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
6.6
Number of Reviews
95
Ranking in other categories
Wireless Email (2nd)
Zimbra Collaboration
Ranking in Email Applications
6th
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
28
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2026, in the Email Applications category, the mindshare of Microsoft Exchange is 9.2%, down from 11.4% compared to the previous year. The mindshare of Zimbra Collaboration is 6.8%, down from 9.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Mindshare Distribution
ProductMindshare (%)
Microsoft Exchange9.2%
Zimbra Collaboration6.8%
Other84.0%
Email Applications
 

Featured Reviews

SJ
Manager IT Support at Naubahar Bottling Company (Pvt.) Ltd. Gujranwala Pakistan
Efficient email management with seamless integration
We previously used Microsoft Exchange but have moved to an MDN email solution due to cost and user growth Microsoft Exchange is a user-friendly and easy-to-deploy solution, which is beneficial for handling emails even without professional support. It is effective in managing email integration…
Muhammad Talha Baig - PeerSpot reviewer
Business Analyst and Associate Project Manager at SAMI Pharmaceuticals
One of the premium features was customized rooms tailored to the collaboration needs
Zimbra's strength lies in its individuality, and it should focus on leveraging its unique features rather than trying to emulate competitors. My organization has certified Zimbra technicians, so we believe we can utilize Zimbra certification. However, I was recently informed by Zimbra that no such certification exists. I have recently completed the test kit, and after the training, I will gain access to tickets. Therefore, if any clients are experiencing issues, we have a certified technical team available to provide support 24/7. This is how we can cater to our client's needs. I recommend Zimbra to small-scale and enterprise customers. Anyone, even those with 5 users, can opt for Zimbra. Overall, I rate the solution 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 functionality on the user side is quite good. Exchange provides an excellent platform for collaboration between users."
"Microsoft Exchange is a powerful solution, it can easily integrate with Active Directory and other business applications, it does not require any training, it is flexible and simple to use, and when comparing Microsoft Exchange to other solutions, such as Lotus Note, it is more straightforward for business."
"In general, this is a good product and I am happy with it."
"Exchange is very scalable, it's one of the most important things about this software."
"On-premises Microsoft Exchange is good because it protects data privacy."
"Exchange is an ever growing environment that will always have stronghold in the world of communicating and organizing information that is reliable."
"Exchange's interface is good. All of our engineers like it and are accustomed to using it."
"Its technical implementation is quite good, it is stable and can be accessed through all kinds of devices, and it performs pretty well."
"It has all collaboration features, such as document sharing, video conferencing, chatting, task sharing, and calendar sharing."
"The configuration is simple."
"We can control all the data in my IT infrastructure."
"It is the best open source collaboration suite that I know, because it provides high availability and more performance than the other solutions."
"Good email solution and it's open-source."
"The product is very stable."
"The product is easy to set up."
"The Zimbra Collaboration's most valuable feature is web access."
 

Cons

"The setup is difficult so could be easier."
"Microsoft Exchange could improve the archiving of emails and the performance."
"Microsoft Exchange could improve the price."
"When we started using Exchange on the cloud, we had a lot of initial problems relating to our main database and we also experienced issues with the accidental deletion of inboxes, amongst other things. In fact, many of the files we had moved to the cloud had disappeared. There also seems to be a problem with the retention of information."
"There can be occasional challenges during the product's implementation phase, making it an area where improvements are needed."
"We've had some issues getting responses from Microsoft support lately, as they seem not to be very interested in the Russian region nowadays."
"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."
"From a reliability perspective, they need to improve the search engine, it is not very powerful."
"The product must be more customizable."
"The support was lacking in my experience. However, recently the support I received was good. Perhaps they have improved."
"We have had an issue with security."
"There are some bugs we found that could be fixed."
"It would be great if a group chat feature were created to allow for a team environment."
"I can confidently say that Zimbra is good enough for 2,000 client users. But, at the same time, if my client needs more than that and we have two options—Zimbra or Microsoft—I'm going with Microsoft because many admins will speak to Microsoft's ability to handle that many."
"Zimbra Collaboration does not have a solution roadmap as aggressive as the new collaboration mail solutions. Additionally, they can have a better interface and integration with single sign-on."
"Server deployment and the GUI for emails should be better."
 

Pricing and Cost Advice

"We are currently using enterprise licenses for the solution. They are different pricing models available. There are individual, cloud-based, and enterprise licenses all with different pricing models. The larger the number of users, the lesser the price. For small to medium companies like us, we feel it 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."
"This solution is expensive."
"I rate Microsoft Exchange a four out of ten for pricing because it is quite cheap, and many companies use the solution."
"Microsoft's licensing structure is too complex, but its prices are affordable, though not cheap."
"Microsoft Exchange is an inexpensive application."
"Its price is fair."
"There is an annual cost to use Microsoft Exchange, and the price could be less expensive."
"We are using perpetual licenses. We have deployed it in our local data center, and we buy perpetual licenses on a per-user basis."
"I use Zimbra Collaboration's community version. We may move to the enterprise version since prices are affordable."
"When it comes to the licensing of Zimbra Collaboration, my license covers the servers and I find its terms to be much simpler than those of Microsoft Exchange."
"There is an annual standard licensing fee to use Zimbra Collaboration and there is no other cost."
"The price of the solution is low."
"The solution is competitively priced."
"Zimbra Collaboration offers a good price-to-feature ratio."
"Zimbra Collaboration is less expensive than Microsoft Exchange. Zimbra works for small companies because it is not expensive. Zimbra Collaboration has more security tools than Microsoft Exchange. If you are choosing between Zimbra Collaboration and Microsoft Exchange, you have to take into account the cost of security tools with Microsoft Exchange. When you purchase Microsoft Exchange, you will also have to purchase tools for security, which adds to the cost. The migration from Zimbra Collaboration to another email solution is very simple and easy. Migration from Microsoft Exchange to another email solution is very difficult. Microsoft doesn't allow migration that easily. In fact, you have to pay for tools to do that. You have to buy some expensive tools to migrate."
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Top Industries

By visitors reading reviews
Manufacturing Company
10%
Computer Software Company
9%
Comms Service Provider
9%
Construction Company
8%
Computer Software Company
10%
Comms Service Provider
10%
Government
7%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business41
Midsize Enterprise28
Large Enterprise35
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise3
Large Enterprise7
 

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 is your experience regarding pricing and costs for Microsoft Exchange?
I am aware of pricing aspects, and I would say it is affordable for what it is.
What needs improvement with Microsoft Exchange?
I see some drawbacks and areas for improvement; the quarantining is not fantastic. I think the quarantining is not fantastic because it lets a lot of spam through, and when it is notified of spam, ...
What needs improvement with Zimbra Collaboration?
When it comes to administration tasks like configuring specific filters or group signatures, I have to dig into the configuration since there's nothing in the graphical or web interface. The soluti...
What is your primary use case for Zimbra Collaboration?
Zimbra is a cheap and open-source tool. It provides security, which is crucial for user authentication and authorization. It also offers robust support options, including access to expert assistance.
 

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
NEC Biglobe, City of Ventura, Monterey Bay Aquarium Research Institute, Hola Publishing, BIG, Sleepwell, LaFayette College, Xmission, DNA, Ring Line, Future Group, TIGC
Find out what your peers are saying about Microsoft Exchange vs. Zimbra Collaboration and other solutions. Updated: April 2026.
892,287 professionals have used our research since 2012.