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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

"This solution handles all of our primary functionality including email, message delivery, message archiving and calendars."
"It is user friendly."
"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. When comparing Microsoft Exchange to other solutions, such as Lotus Note, it is more straightforward for business."
"Customers can benefit from this new pricing model because it's expensive and now with the subscription they can budget for this."
"Communication is the most valuable feature of the solution."
"Exchange's interface is good. All of our engineers like it and are accustomed to using it."
"Exchange is an ever growing environment that will always have stronghold in the world of communicating and organizing information that is reliable."
"Exchange is a very good Microsoft product, and it's very stable."
"The most valuable feature of Zimbra for our team's productivity is its efficiency in handling email communication."
"The most valuable feature of Zimbra Collaboration is email functionality."
"Zimbra Collaboration has integrated a lot of their party tools and they have good documentation available."
"It has all collaboration features, such as document sharing, video conferencing, chatting, task sharing, and calendar sharing."
"Network NG Modules are valuable to us."
"For a small company, Zimbra Collaboration is good because it is simple, inexpensive, and not very difficult to deploy."
"For an SMB, it is a recommendable email solution."
"The product is very stable."
 

Cons

"Microsoft could improve on Exchange's hybrid deployment or HCW. They need to improve on that because I was having many issues with HCW in our environment at times."
"They keep making all these changes, and our system was down for four or five days. They finally got it up, but there are still lots of quirks."
"The desktop version of Microsoft Exchange receives emails a little slower than the online version."
"Microsoft Exchange could improve security. They can elevate a lot of security features."
"Its search functionality can be better. It is currently not really easy. It has the capability to search your mailbox, but it has some restrictions in terms of the number of results that you can retrieve. You can only get around 250 results. If you want to do a deeper search, you need to use different functionalities of the product. The policy that we have for handling emails is that we do not delete emails at all. If I insert the text that I am searching for in the Search field, it only retrieves a limited number of emails. To search for an email from 2010, I need to use different search functions to find what I am looking for. Microsoft can also improve its licensing for its products. Microsoft's licensing is not very easy to understand. It can sometimes be really complex to understand what you need to have in order to comply with Microsoft licensing."
"Microsoft Exchange's customer support could be faster and more knowledgeable."
"From a security point of view, Microsoft should enhance the new features. Technical support could also be better."
"In our current situation, the disappearance of sanctions would be a tangible improvement. We are basically cut off from technical support and it's very difficult to obtain any updates."
"The solution could use more integration with third-party tools."
"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's video conferencing could be improved."
"The solution could improve by making it easier to use."
"The antispam and antivirus features are hard to understand on mobile devices."
"The new patches are, at times, not so good, so we don't install them, causing the tool to be not so stable overall."
"The tool should improve its multi-cloud feature."
"The product must be more customizable."
 

Pricing and Cost Advice

"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."
"The product pricing is reasonable if you utilize its full suite of features."
"Since my company is on Microsoft Cloud, we pay for the licenses per user. Compared to volume licensing, I would say the present licensing cost is not expensive."
"They are flexible when it comes to pricing, unlike most of the other vendors I have dealt with."
"Microsoft's licensing structure is too complex, but its prices are affordable, though not cheap."
"Microsoft Exchange is a very well-priced solution."
"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."
"This solution is expensive."
"We do not pay for licenses to use this solution."
"We are using perpetual licenses. We have deployed it in our local data center, and we buy perpetual licenses on a per-user basis."
"Zimbra Collaboration offers a good price-to-feature ratio."
"The solution is not expensive compared to other products."
"There is an annual standard licensing fee to use Zimbra Collaboration and there is no other cost."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the price a four"
"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."
"The solution is competitively priced."
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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%
Manufacturing 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.
886,906 professionals have used our research since 2012.