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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
2nd
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 May 2026, in the Email Applications category, the mindshare of Microsoft Exchange is 9.0%, down from 11.4% compared to the previous year. The mindshare of Zimbra Collaboration is 7.1%, down from 8.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Mindshare Distribution
ProductMindshare (%)
Microsoft Exchange9.0%
Zimbra Collaboration7.1%
Other83.9%
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

"Microsoft Exchange is highly stable for the end-user systems."
"The functionality on the user side is quite good, and Exchange provides an excellent platform for collaboration between users."
"Communication is the most valuable feature of the solution."
"Microsoft Exchange is stable."
"I like the logistics and Microsoft protocol of reaching Outlook anywhere; it's a user-friendly product."
"This solution handles all of our primary functionality including email, message delivery, message archiving and calendars."
"Exchange is a robust system that is well suited for an enterprise environment. It's always up, and we hardly face any technical issues. Exchange has a web interface and integrates perfectly with Microsoft Outlook. This web interface can be easily used to change the passwords from the domain controllers."
"I find Exchange's basic mail features to be highly valuable."
"The solution is easy to implement."
"One of the premium features was customized rooms tailored to the collaboration needs. Many of the clients customize features such as organization logos and scanners."
"Zimbra Collaboration's best feature is its compatibility with Microsoft's ActiveSync protocol, which allows users to use Outlook on Windows or MacOS."
"This is a good email solution and it's open-source which is great and the most important feature for us."
"Zimbra Collaboration has integrated a lot of their party tools and they have good documentation available."
"The web interface is powerful and easy to use."
"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."
 

Cons

"The solution is stable, but it could improve. It's crashing if there is a big mail database. The Zimbra solution is better in this area."
"One thing for improvement would be to have an offline version of Exchange available for use if our connection goes down."
"Microsoft Exchange could improve security. They can elevate a lot of security features."
"We are not able to use Microsoft Teams due to connection issues. Thus, the product integration with Teams could be improved."
"Microsoft Exchange could improve the archiving of emails and the performance."
"One thing for improvement would be to have an offline version of Exchange available for use if our connection goes down."
"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."
"The cost could be cheaper."
"In the next release, Zimbra Collaboration should include a security feature to allow access for mobile device administrators."
"Zimbra Collaboration could improve the migration from a basic solution to a more containerized solution. For example, the installation should be able to extend to the containers and manage them with some solution, such as OpenShift or Kubernetes."
"Zimbra must improve its solution to make it easy so that the users don't have to use webmail to connect to their accounts and log in to webmail every time. This is something that is lacking in Zimbra Collaboration. They should provide a better way to easily connect email applications on the desktop to the Zimbra server. They should also try to have more functionality for storage management, like Microsoft Exchange. Currently, the management of the email data must be done manually in Zimbra Collaboration, which we are finding very difficult. They should provide a way to save emails so that you can have more space on the server and storage. Because of the lack of this functionality, we are planning to migrate to Microsoft Exchange. Microsoft Exchange provides a better way to manage storage than Zimbra Collaboration. You cannot have a mail solution without storage management because emails will always increase. Zimbra Collaboration also needs tools for management. More back-office tools are required to manage the whole mailbox and space. You don't only manage emails but also the documents attached to the emails. Therefore, you require tools to select and decide what do you want to save or how do you want to free up space in your infrastructure."
"There are some security issues."
"We had a couple of issues with stability, but nothing that I couldn't work around or fix myself. Zimbra is a powerful product, but since VMware bought it, changes and bug fixes have been very slow in coming."
"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."
"There are security and performance issues which is one of the concerns of using an open-source product."
 

Pricing and Cost Advice

"The pricing is expensive."
"The product is quite cheap."
"Its price is fair."
"I rate Microsoft Exchange's pricing a six out of ten."
"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."
"I don't have enough information about the licensing costs of Microsoft Exchange, but I do know that you need two types of licenses to run it. You need the product key and the client access key to activate Microsoft Exchange. This means that apart from the standard Microsoft Exchange licensing fees, you have to pay additional costs."
"They are flexible when it comes to pricing, unlike most of the other vendors I have dealt with."
"We can get Exchange in the cloud along with the Microsoft 365 license."
"Zimbra Collaboration offers a good price-to-feature ratio."
"We pay yearly licenses for Zimbra Collaboration."
"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."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the price a four"
"The price of the solution is low."
"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 not expensive compared to other products."
"We are using perpetual licenses. We have deployed it in our local data center, and we buy perpetual licenses on a per-user basis."
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Top Industries

By visitors reading reviews
Manufacturing Company
9%
Comms Service Provider
9%
Computer Software Company
9%
Construction Company
8%
Computer Software Company
10%
Comms Service Provider
10%
Outsourcing Company
7%
Government
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.
893,221 professionals have used our research since 2012.