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Microsoft Exchange vs Open-Xchange comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on May 21, 2025

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
3rd
Average Rating
8.4
Reviews Sentiment
6.6
Number of Reviews
94
Ranking in other categories
Wireless Email (2nd)
Open-Xchange
Ranking in Email Applications
11th
Average Rating
8.0
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Email Applications category, the mindshare of Microsoft Exchange is 11.3%, down from 11.6% compared to the previous year. The mindshare of Open-Xchange is 6.3%, up from 3.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Market Share Distribution
ProductMarket Share (%)
Microsoft Exchange11.3%
Open-Xchange6.3%
Other82.4%
Email Applications
 

Featured Reviews

Mohamed Najeem - PeerSpot reviewer
Provides a valuable mailbox roles feature and has a straightforward setup process
I recommend Microsoft Exchange to others due to its robust features and reasonable pricing. Setting up Microsoft Exchange has become much more straightforward compared to previous versions. The overall setup experience has significantly improved over the past six to seven years, making it easier for administrators. I rate it a nine out of ten.
DS
Collaborate Using Open Xchange App Suite
A flexible unified communications service for collaborative workgroups that can share files, import and export contacts and calendars from a wide variety of data sources and Web services, including Facebook, LinkedIn, Twitter and Google’s Gmail. Entirely open-source based Price: Varies…
report
Use our free recommendation engine to learn which Email Applications solutions are best for your needs.
868,759 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Computer Software Company
12%
Government
9%
Manufacturing Company
9%
Comms Service Provider
8%
Computer Software Company
19%
Comms Service Provider
11%
Government
9%
University
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business41
Midsize Enterprise27
Large Enterprise35
No data available
 

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 do you like most about Microsoft Exchange?
The initial setup was straightforward and fast.
What is your experience regarding pricing and costs for Microsoft Exchange?
Microsoft Exchange is costly, and its licensing model can be expensive over time as more users require licenses.
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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
1&1, Host Europe, KPN, Ziggo, namecheap, Strato, Network Solutions
Find out what your peers are saying about Google, Microsoft, Amazon Web Services (AWS) and others in Email Applications. Updated: September 2025.
868,759 professionals have used our research since 2012.