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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

"Microsoft Exchange Online is a stable product."
"I have not had issues with the stability of the product."
"Microsoft Exchange Online Protection helps by providing cloud-based security."
"It is a very stable system, and it does what we ask it to do."
"The initial setup is straightforward and easy to configure."
"The solution is stable."
"This solution makes it very easy to receive and detect problems about the mail flow and offers very good reporting. In general, it's very easy to manage the organization's mailboxes."
"Using Microsoft Exchange is the easiest way to sync with Outlook."
"We implement this solution in our data centers, and we have high availability."
"It's a fast solution."
 

Cons

"What I don't like about Microsoft Exchange Online is too much integration because now it has many services connected to it. In the beginning, it was just email, and now it's also Teams and Visio, and many other services which I don't like. Microsoft Exchange Online should focus on one service. The product now lost focus, and this is its area for improvement. I would also like more freedom in choosing to use just one service, for example, just Microsoft Exchange Online, which means I don't need Teams or any other Microsoft product or service there. Right now, all services are either in the Microsoft Office suite, or there are more products or services integrated with Microsoft Exchange Online, and I'd like to just focus on one."
"The problem with Exchange is that the attributes aren't flexible enough. I'd like to see more interaction with Office 365 and tighter integration between on-prem Exchange and Exchange Online. There's still a disconnect between mailboxes and the cloud."
"The ActiveSync services and the mapping services could be improved."
"For non-technical people, some configurations might be a little bit difficult."
"The pricing could be cheaper."
"I have found that Microsoft has vulnerabilities when it comes to Exchange Online. It has become the port of a lot of hacker attacks."
"Despite being a Microsoft-certified trainer, I am lacking some information."
"I would rate Exchange Online's stability eight out of ten - it has room for improvement."
"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

"I think it's just awesome. There's no argument about how much value you get on the per user, for user expenditure. It's really great, I don't have any issues with it. I think it's excellent."
"The subscription fee is monthly."
"This is an expensive solution."
"There is a license required for the solution and it is paid annually."
"Initially, we had issues with the licensing agreement, but we worked it out with Microsoft."
"We bought some licenses, and some are within our package or partnership with Microsoft."
"Microsoft Exchange Online is an affordable solution."
"The model is one which is pay-per-use go. There is no license. We are talking about per-user subscription-based use."
"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
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