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Microsoft Exchange Online vs Zimbra Collaboration 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 Online
Ranking in Email Applications
2nd
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
89
Ranking in other categories
No ranking in other categories
Zimbra Collaboration
Ranking in Email Applications
5th
Average Rating
8.0
Number of Reviews
29
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 Online is 14.1%, down from 15.4% compared to the previous year. The mindshare of Zimbra Collaboration is 9.0%, down from 10.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications
 

Featured Reviews

Babatunde-Olugbode - PeerSpot reviewer
Offers good user interface and seamlessly integrates with other Microsoft services
I like its user interface. I don't struggle or face any challenges while using it. The design interface is simple. I haven't had any trouble managing it for a long time. Even if I encounter a challenge or two, I can always reach out to Microsoft for help. So, overall, it's been a very positive experience. Having everything under one account was valuable. I just had to go through cybersecurity for licensing and download everything. With one account, you can download Office and use Online features directly from your Exchange. There are security solutions in place, and we take customer data very seriously. For example, if I accidentally create a forwarding rule or send an email with an image attached, I get a notification immediately. Compliance-wise, it's quite good online. We can do many things. Even if I can't click on something or upload a specific file type, it'll still be stored for compliance or investigation purposes. So, subscribing to these features. The benefits are widespread and effective communication. We use Microsoft Teams for meetings within and outside our organization. Additionally, Teams can be used for chat, allowing us to track communication and see user activity. Those are the key points that have proven to be beneficial.
Muhammad Talha Baig - PeerSpot reviewer
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

"We have found the solution to be stable."
"The most valuable feature of Microsoft Exchange Online is its performance."
"One of my favourite features is the Microsoft Calendar, which we use for booking appointments, scheduling calls, and managing resource rooms and devices. The Online Mailbox feature is also crucial because it allows us to communicate effectively within and outside the organization, contributing to our business growth."
"One of the important features is the collaboration tool used in Office 365. The security and DLP mechanisms are also quite good."
"Microsoft Exchange Online is very simple and easy to use."
"It's pretty reliable. We haven't had any issues with it."
"The solution is easy to access, and you can bring your own device to access from anywhere."
"I have not had issues with stability of the product."
"The stability is good and keeps getting better with each new update."
"Network NG Modules are valuable to us."
"It has all collaboration features, such as document sharing, video conferencing, chatting, task sharing, and calendar sharing."
"The most valuable feature of Zimbra Collaboration is email functionality."
"The web interface is powerful and easy to use."
"The Zimbra Collaboration's most valuable feature is web access."
"The solution is easy to implement."
"The most valuable feature of Zimbra for our team's productivity is its efficiency in handling email communication."
 

Cons

"The integration could be better if it could integrate well with other products and software."
"I have found that Microsoft has vulnerabilities when it comes to Exchange Online. It has become the port of a lot of hacker attacks."
"There is room for improvement in terms of optimization."
"There is room for improvement in terms of security, as it could be better."
"I would like to see better security added to Microsoft Exchange Online in the area of phishing or spam emails."
"For example, recently there were some spam incidents that Microsoft does not currently mitigate because they have another paid solution to do so. It would be nice to integrate the security and the anti-spam (i.e. the fake links, etc.) along with the Exchange Online default."
"My personal issue with using OfficeSuite and the Exchange Server is that one has to cobble together a whole bunch of different applications. Therefore, a lot of scripting and programming knowledge is necessary."
"We'd like to have the ability to recall emails on the web. I'm not sure if that is available yet."
"Zimbra should provide a desktop client. Right now, we are using a web browser for accessing our emails. There should also be a desktop client."
"File sharing permissions with Nextcloud integration need improvement."
"They should enhance its online meeting features."
"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."
"We have had an issue with security."
"The installation is not straightforward, it can take two days for the full implementation."
"I would like to see a Microsoft schedule function added."
"The support was lacking in my experience. However, recently the support I received was good. Perhaps they have improved."
 

Pricing and Cost Advice

"The licensing cost increased at least 15 to 20 percent recently and it would be helpful for them to be reduced."
"The pricing for this solution is good. We renew our contract every three years. I would rate the pricing for this solution a three out of five."
"Initially, we had issues with the licensing agreement, but we worked it out with Microsoft."
"I think that the price is a little high, especially considering that Google have a similar, free email solution."
"The pricing is really high. It's higher compared to other services."
"The price is not competitive."
"Microsoft Exchange Online is an affordable solution."
"There is a license for Microsoft Exchange Online and I have information on that, but there have been so many changes to the licensing and it's a completely different story nowadays. Microsoft has been pushing users to buy a package of products under one license. Users are becoming more dependent on Microsoft rather than independent, that you can't decide anymore, and from my point of view, that is bad."
"We are using perpetual licenses. We have deployed it in our local data center, and we buy perpetual licenses on a per-user basis."
"It's very expensive. When we compare the cost with Google Workspace, it's so expensive."
"If you choose the network edition, it is a little pricier. They have the open-source edition too which is only community supported."
"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."
"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."
"We pay yearly licenses for Zimbra Collaboration."
"We do not pay for licenses to use this solution."
"There is an annual standard licensing fee to use Zimbra Collaboration and there is no other cost."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Financial Services Firm
8%
Government
7%
Comms Service Provider
6%
Computer Software Company
19%
Government
9%
Comms Service Provider
8%
Financial Services Firm
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Microsoft Exchange Online?
The benefits are widespread and effective communication. We use Microsoft Teams for meetings within and outside our organization. Additionally, Teams can be used for chat, allowing us to track comm...
What is your experience regarding pricing and costs for Microsoft Exchange Online?
The pricing for Microsoft Exchange Online is quite reasonable, in my opinion. Many licensing options are available so that we can choose based on the customer's needs. For example, if a customer on...
What needs improvement with Microsoft Exchange Online?
There are always improvements needed. My personal issue with using OfficeSuite and the Exchange Server is that one has to cobble together a whole bunch of different applications. Therefore, a lot o...
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 Zimbra Collaboration?
The most valuable feature of Zimbra for our team's productivity is its efficiency in handling email communication.
 

Also Known As

Exchange Online, Exchange Online Plan 1, Exchange Online Plan 2, MS Exchange Online
No data available
 

Overview

 

Sample Customers

Bank Alfalah Ltd., Paderborn-Lippstadt Airport, Blue Star Infotech, Scitec Nutrition, Resolution Films, British Airways, Empire Cinemas, InnoGames
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 Online vs. Zimbra Collaboration and other solutions. Updated: March 2025.
845,406 professionals have used our research since 2012.