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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 September 2026, in the Email Applications category, the mindshare of Microsoft Exchange Online is 9.7%, down from 12.8% compared to the previous year. The mindshare of Zimbra Cloud is 1.4%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Mindshare Distribution
ProductMindshare (%)
Microsoft Exchange Online9.7%
Zimbra Cloud1.4%
Other88.9%
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

"Office 365 is one of the strongest solutions that I've seen."
"The initial setup is straightforward and easy to configure."
"The most valuable feature of the solution is its integration with Microsoft Outlook and Microsoft Teams for shared calendars."
"It is for emails, and it seems to work okay."
"Regarding the pricing and licensing of the solution, it's great."
"All of the Microsoft Exchange Online is very useful, such as the sections, the information protection, and the mail flows."
"The tech support have always been very nice and helpful to us."
"I enjoy not having to maintain the local infrastructure, local servers, local whatever. You use the software and don't have to worry about the details."
"We implement this solution in our data centers, and we have high availability."
"It's a fast solution."
 

Cons

"I would like to make the solution more user-friendly."
"Despite being a Microsoft-certified trainer, I am lacking some information."
"Improving the methods for inputting email signatures could be beneficial for the product."
"Encourages endless inefficient communications. Do not recommend it for companies that are trying to create efficient decision making processes and agile movement."
"We would like to have more automation with Microsoft Exchange Online."
"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"
"I couldn't delete an email account because it was identified as my primary account by the application."
"The licensing price of the solution could be lower."
"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 licensing cost increased at least 15 to 20 percent recently and it would be helpful for them to be reduced."
"We pay a yearly licensing fee for the solution."
"Initially, we had issues with the licensing agreement, but we worked it out with Microsoft."
"Microsoft Exchange Online is too expensive."
"We pay per user per year for the cluster with over a thousand users."
"Microsoft Exchange Online is an affordable solution."
"We have yearly licensing costs."
"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%
Financial Services Firm
8%
Manufacturing Company
7%
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
Find out what your peers are saying about Google, Microsoft, Amazon Web Services (AWS) and others in Email Applications. Updated: September 2026.
912,818 professionals have used our research since 2012.