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Amazon WorkMail vs Microsoft Exchange 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:
 

ROI

Sentiment score
6.1
Replacing WhatsApp with Amazon WorkMail halved costs, improved communication, and provided scalable, stable services reducing downtime concerns.
Sentiment score
6.3
Microsoft Exchange boosts productivity significantly with varying ROI, offering cost savings depending on deployment and user base size.
 

Customer Service

Sentiment score
4.5
Customer feedback on Amazon WorkMail support is mixed, with experiences ranging from responsive assistance to dissatisfaction over communication issues.
Sentiment score
6.0
Microsoft Exchange support receives mixed reviews, with larger enterprises benefiting more than smaller entities in complex scenarios.
We have sent some emails and they have responded promptly, so we are satisfied.
The Microsoft support structure, while technically proficient, involves case transfers across different global locations.
 

Scalability Issues

Sentiment score
8.0
Amazon WorkMail is praised for scalability, accommodating large user bases and email traffic efficiently despite some cost concerns.
Sentiment score
7.4
Microsoft Exchange offers scalable growth, integrating well in hybrid environments, though costs and planning impact successful scaling.
I do not have any concerns regarding the scalability of Amazon WorkMail, as we are sending about 40,000 to 50,000 emails per day, doing both transactional and batch with a queuing mechanism internally.
The licensing and associated costs make it challenging to scale, especially when user numbers increase.
 

Stability Issues

Sentiment score
8.2
Amazon WorkMail is highly rated for stability, handling large volumes reliably with no reported issues or downtime.
Sentiment score
7.5
Microsoft Exchange is reliable with minimal downtime, though update issues may arise; stability improves with proper management and frequent updates.
 

Room For Improvement

Users seek an intuitive interface, improved pricing, advanced features, better spam filtering, scalability, and enhanced support for Amazon WorkMail.
Microsoft Exchange needs better integration, security, support, and user-friendly features while addressing cost, updates, and communication challenges.
The biggest issue with Microsoft Exchange is its high cost, especially in pricing for license upgrades and expansion to more users.
 

Setup Cost

Amazon WorkMail receives mixed reviews on pricing, appreciated for its free tier but considered costly beyond its allocation.
Microsoft Exchange pricing offers flexible, affordable options for enterprises but can be costly and complex for smaller businesses.
I have heard that compared to other providers, it is considerably cheaper.
Microsoft Exchange is costly, and its licensing model can be expensive over time as more users require licenses.
 

Valuable Features

Amazon WorkMail provides scalable, secure email management with AWS integration, enhancing efficiency, user experience, and workflow expansion.
Microsoft Exchange excels in integration, security, user-friendliness, and collaboration, making it essential for business communication and organization.
I find the feature that checks how many emails have been successfully sent and how many of them have been opened very useful, because in our application, we know the usage of the emails.
Microsoft Exchange is a user-friendly and easy-to-deploy solution, which is beneficial for handling emails even without professional support.
 

Categories and Ranking

Amazon WorkMail
Ranking in Email Applications
4th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
13
Ranking in other categories
Cloud Email (3rd)
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)
 

Mindshare comparison

As of October 2025, in the Email Applications category, the mindshare of Amazon WorkMail is 9.0%, down from 10.7% compared to the previous year. The mindshare of Microsoft Exchange is 11.3%, down from 11.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Market Share Distribution
ProductMarket Share (%)
Microsoft Exchange11.3%
Amazon WorkMail9.0%
Other79.7%
Email Applications
 

Featured Reviews

Ramkumar  Kolpurath - PeerSpot reviewer
Seamless email communication improves cost-effectiveness and security with valuable tracking features
The features of Amazon WorkMail that I have found the most valuable so far include sending emails and tracking whether the email is read or not. I find the feature that checks how many emails have been successfully sent and how many of them have been opened very useful, because in our application, we know the usage of the emails. The encryption of emails, both in transit and at rest, has benefited our security strategy as it is a layer of security that provides us better confidence for customers and also internally tracks the security aspects. The encryption meets my expectations.
ImranShaikh - PeerSpot reviewer
Offers several valuable features including conditional access, identity and access management, and scalability of mailboxes
We use Microsoft Exchange primarily for mailing purposes, both internal and external. We integrate it with other Microsoft tools like Outlook, Word document collaboration, Teams, SharePoint, and more The integration of Microsoft Exchange with other tools allows for seamless collaboration and…
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Top Industries

By visitors reading reviews
Computer Software Company
15%
University
8%
Comms Service Provider
7%
Manufacturing Company
7%
Computer Software Company
13%
Manufacturing Company
9%
Government
9%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise1
Large Enterprise5
By reviewers
Company SizeCount
Small Business41
Midsize Enterprise27
Large Enterprise35
 

Questions from the Community

What do you like most about Amazon WorkMail?
We use the tool for transactional emails and marketing.
What needs improvement with Amazon WorkMail?
We are satisfied with Amazon WorkMail, as it is able to send emails and provide receipts, including the read and other statuses. Since we are doing more API side integrations, there does not seem t...
What advice do you have for others considering Amazon WorkMail?
From the communication aspects, working with Amazon WorkMail has been seamless and cost-effective. My customers do not make any use of Amazon WorkMail's compatibility with Microsoft Active Director...
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.
 

Also Known As

Amazon SES
Exchange, MS Exchange
 

Overview

 

Sample Customers

Expedia, Intuit, Royal Dutch Shell, Brooks Brothers
Paderborn-Lippstadt Airport, Scitec Nutrition, British Airways, InnoGames, Osteology Foundation, Franz Haniel & Cie. GmbH, NTC Contracting
Find out what your peers are saying about Amazon WorkMail vs. Microsoft Exchange and other solutions. Updated: September 2025.
869,160 professionals have used our research since 2012.