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Microsoft Exchange Online vs Zimbra Cloud comparison

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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
7.2
Number of Reviews
93
Ranking in other categories
No ranking in other categories
Zimbra Cloud
Ranking in Email Applications
17th
Average Rating
4.0
Reviews Sentiment
4.7
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Email Applications category, the mindshare of Microsoft Exchange Online is 9.8%, down from 12.0% compared to the previous year. The mindshare of Zimbra Cloud is 1.4%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Mindshare Distribution
ProductMindshare (%)
Microsoft Exchange Online9.8%
Zimbra Cloud1.4%
Other88.8%
Email Applications
 

Featured Reviews

Yogesh Autade - PeerSpot reviewer
Senior Security Engineer at Softcell Technologies Limited
Integrated email security has improved phishing response and provides better threat visibility
Microsoft Exchange Online could be improved with more intuitive administration workflows, better troubleshooting visibility, and simpler mail flow analysis for complex environments. We would also appreciate more granular reporting, faster access to detailed message tracking data, and improved alerting around suspicious mailbox activity to help security and messaging teams investigate issues more efficiently. One area where Microsoft Exchange Online could improve is the administrative user experience. Some advanced mail flow, compliance, and troubleshooting tasks still require navigating multiple Microsoft portals. A more unified management interface and deeper integration visibility across Exchange, Defender, and Microsoft 365 security tools would make day-to-day operations more efficient for administrators and SOC teams.
OmarOrta - PeerSpot reviewer
Director of Cybersecurity at a tech services company with 1,001-5,000 employees
Quick solution, but not very user-friendly or suitable for collaboration
It's not a good solution for collaboration. We're using it because of the price. It's not very strong or comparable with Office 365. An additional feature I would like to see is the ability to connect from different devices. Zimbra could be more user-friendly and deploy security rules. The integration with Outlook could be better to share agendas.

Quotes from Members

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

Pros

"I like that Exchange Online is easy to use and that I do not need to maintain the previous Exchange Server. I also do not need to worry about the security of the Exchange Server. If there are any issues, then it will be the service provider's problem and not mine."
"The features of Microsoft Exchange Online are very intuitive and well-built, keeping the user experience in mind. The usability and the accessibility are the best aspects of this solution."
"It has helped us because we don't have to worry about servers crashing."
"I have found the interface to be user-friendly and the overall simplicity valuable features."
"We have found the solution to be stable."
"Having the solution on the cloud has alleviated the need to have hardware on-premises, so I no longer have to deal with the expense of power usage and the hardware taking up space, and we can now focus more on the business instead of our assets."
"Tech support has been great, when necessary."
"It is a stable, and highly scalable product."
"We implement this solution in our data centers, and we have high availability."
"It's a fast solution."
 

Cons

"I have found that Microsoft has vulnerabilities when it comes to Exchange Online. It has become the port of a lot of hacker attacks."
"I couldn't delete an email account because it was identified as my primary account by the application."
"Functionality wise, I can't really say it's improved from Exchange Online, I think it's not so much change on-premise. It's about the same. Other than that, it's the extra features that make a difference, really"
"There is an annual enterprise subscription could improve by having more features."
"The stability of the solution has room for improvement."
"Microsoft Exchange Online support can be optimized further. They should put some more efficient technical engineers to support end customers."
"When initially setting up, it took a bit of time because we had a lot of PST files with the users, and we had to migrate them batch by batch."
"We use different software for email spoofing filters and similar functions because Exchange is quite limited in this area."
"It's not a good solution for collaboration. We're using it because of the price. It's not very strong or comparable with Office 365."
 

Pricing and Cost Advice

"The price of the license depends on a lot of factors, such as the number of licenses and company specifics."
"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 only requires mailbox features, we can recommend Plan One or Plan 2. We can suggest an E3 or E5 license if they need the entire Office suite. There are also premium subscriptions for enterprise customers, offering additional security features. Overall, I don't find the pricing costly because Microsoft provides many features and security capabilities, making it reliable for all customers, depending on their requirements."
"I have no opinion."
"The pricing is based on a yearly contract and a floating license option is offered."
"The licensing price is ok, I'd rate it as four out of five."
"The pricing could be improved."
"There is a license required for the solution and it is paid annually."
"It is a cluster solution."
"It's an open-source solution so it's free."
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Top Industries

By visitors reading reviews
Outsourcing Company
9%
Comms Service Provider
9%
Manufacturing Company
9%
Financial Services Firm
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business41
Midsize Enterprise17
Large Enterprise41
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Microsoft Exchange Online?
If I segment it into three points: low price, average, and high price, I would place Microsoft Exchange Online between average and high price.
What needs improvement with Microsoft Exchange Online?
Microsoft Exchange Online could be improved with more intuitive administration workflows, better troubleshooting visibility, and simpler mail flow analysis for complex environments. We would also a...
What is your primary use case for Microsoft Exchange Online?
Microsoft Exchange Online serves as our enterprise email hosting platform, providing secure mail flow management and centralized messaging services for users across multiple locations. From a secur...
Ask a question
Earn 20 points
 

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
Information Not Available
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