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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
5.1
Companies reduced costs by 50% and improved communication reliability using Amazon WorkMail and SES, enhancing financial benefits.
Sentiment score
5.9
Microsoft Exchange boosts productivity and cost-effectiveness, especially with Microsoft 365, enhancing communication efficiency by 30% to 50%.
 

Customer Service

Sentiment score
5.1
Amazon WorkMail's customer service is efficient but inconsistent, with mixed experiences in support responsiveness and follow-up challenges.
Sentiment score
5.9
Microsoft Exchange support varies, with some users praising responsiveness, while others report delays, relying on documentation or third parties.
We have sent some emails and they have responded promptly, so we are satisfied.
Co-Founder & CTO at a consultancy with 11-50 employees
Amazon WorkMail is one of those services that just works out of the box for me.
Owner at Marinov
The Microsoft support structure, while technically proficient, involves case transfers across different global locations.
Manager IT Support at Naubahar Bottling Company (Pvt.) Ltd. Gujranwala Pakistan
 

Scalability Issues

Sentiment score
7.4
Amazon WorkMail is praised for scalability, though cost concerns drive some to transfer; varying AWS usage influences scalability assessment.
Sentiment score
7.4
Microsoft Exchange offers robust scalability for diverse organizations, supporting seamless expansion, though costs and migration may pose challenges.
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.
Co-Founder & CTO at a consultancy with 11-50 employees
The licensing and associated costs make it challenging to scale, especially when user numbers increase.
Manager IT Support at Naubahar Bottling Company (Pvt.) Ltd. Gujranwala Pakistan
 

Stability Issues

Sentiment score
8.1
Amazon WorkMail and SES are highly praised for their reliability, with stable performance and no reported issues.
Sentiment score
7.5
Microsoft Exchange is praised for stability and reliability, though minor issues exist, often resolved by proper configuration.
 

Room For Improvement

Amazon WorkMail needs improvements in features, pricing, technical support, integration, and user interface to enhance overall user experience.
Microsoft Exchange needs improvements in connectivity, usability, security, and support for better compatibility and customer satisfaction.
The most crucial aspect is that I can set up my address book with the complex organizational structure needed for the accounts connecting to AWS.
Owner at Marinov
The biggest issue with Microsoft Exchange is its high cost, especially in pricing for license upgrades and expansion to more users.
Manager IT Support at Naubahar Bottling Company (Pvt.) Ltd. Gujranwala Pakistan
The quarantining is not fantastic because it lets a lot of spam through, and when it is notified of spam, it does not particularly alter its behavior quickly.
Bookkeeper at FCA - Victoria Point
 

Setup Cost

Enterprise buyers have mixed views on Amazon WorkMail's pricing, highlighting both affordability and potential cost concerns compared to competitors.
Microsoft Exchange pricing offers flexible subscription options but can be costly and complex, especially for businesses needing basic features.
I have heard that compared to other providers, it is considerably cheaper.
Co-Founder & CTO at a consultancy with 11-50 employees
Microsoft Exchange is costly, and its licensing model can be expensive over time as more users require licenses.
Manager IT Support at Naubahar Bottling Company (Pvt.) Ltd. Gujranwala Pakistan
I am aware of pricing aspects, and I would say it is affordable for what it is.
Bookkeeper at FCA - Victoria Point
 

Valuable Features

Amazon WorkMail offers scalable, secure email management with AWS integrations, machine learning enhancements, and user-friendly API usage.
Microsoft Exchange provides seamless integration with Microsoft tools, excelling in email management, security, scalability, and collaboration capabilities.
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.
Co-Founder & CTO at a consultancy with 11-50 employees
Amazon WorkMail offers excellent classification options and adheres to the IMAP email protocol standards.
Owner at Marinov
Microsoft Exchange is a user-friendly and easy-to-deploy solution, which is beneficial for handling emails even without professional support.
Manager IT Support at Naubahar Bottling Company (Pvt.) Ltd. Gujranwala Pakistan
The most beneficial aspects of Microsoft Exchange are that it is solid, dependable, and reliable.
Bookkeeper at FCA - Victoria Point
 

Categories and Ranking

Amazon WorkMail
Ranking in Email Applications
4th
Average Rating
8.4
Reviews Sentiment
6.4
Number of Reviews
14
Ranking in other categories
Cloud Email (2nd)
Microsoft Exchange
Ranking in Email Applications
3rd
Average Rating
8.4
Reviews Sentiment
6.6
Number of Reviews
95
Ranking in other categories
Wireless Email (2nd)
 

Mindshare comparison

As of June 2026, in the Email Applications category, the mindshare of Amazon WorkMail is 8.4%, down from 9.5% compared to the previous year. The mindshare of Microsoft Exchange is 8.5%, down from 11.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Mindshare Distribution
ProductMindshare (%)
Microsoft Exchange8.5%
Amazon WorkMail8.4%
Other83.1%
Email Applications
 

Featured Reviews

GM
Owner at Marinov
Centralized email accounts have streamlined routing, security checks, and long-term organization
While using Amazon WorkMail over time, I haven't encountered substantial disappointments, but there have been usual glitches with the web interface. For instance, while the service is generally 99.5% perfect, I experience issues like the folder structure I set up sometimes not remembering the state of expanded and collapsed nodes after refreshing the page. This lack of persistence in which nodes are collapsed or opened can be frustrating. However, since it's a minor technical issue, I doubt the average user would notice it. If Amazon WorkMail were not discontinuing, I wouldn't think there is much to improve or enhance about it. It is standard enough and easy to use, and any glitches are minor, not worth evolving or disrupting its current functionality. As for whether the user interface is intuitive and if I'm satisfied with its flexibility and customizability, there are some minor features lacking, but I don't feel a need for changes since it works as designed. The most crucial aspect is that I can set up my address book with the complex organizational structure needed for the accounts connecting to AWS. The lower-level functionalities suit me well enough. Other services often have customizable views of email representations with senders, subjects, and even snippets of content. While my external application on mobile can show customizable lines with my email list, Amazon WorkMail does not offer that feature. I don't really need it, but it would be a nice addition for power users.
AS
Bookkeeper at FCA - Victoria Point
Reliable email service has supported consistent communication and improved user training
I do use Cisco Secure Email, Grafis, and Proofpoint Email Protection when needed, but we were using Proofpoint before, and we are no longer using it. I am currently using Microsoft Exchange as our email solution. We are a client of Microsoft; there is no partnership between my company and Microsoft. My experience with Microsoft Exchange is as good as the generic email. I do not use Microsoft Exchange to synchronize emails across devices, and it is not part of my workflow. The protocols I mostly use with Microsoft Exchange for integration are SMTP. I do not use the shared calendars feature in Microsoft Exchange. Data loss prevention is something we are not really using or utilizing at the moment. My overall review rating for Microsoft Exchange is 8.
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Top Industries

By visitors reading reviews
Comms Service Provider
10%
University
9%
Manufacturing Company
7%
Financial Services Firm
7%
Manufacturing Company
11%
Construction Company
10%
Computer Software Company
9%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise5
By reviewers
Company SizeCount
Small Business42
Midsize Enterprise28
Large Enterprise35
 

Questions from the Community

What needs improvement with Amazon WorkMail?
While using Amazon WorkMail over time, I haven't encountered substantial disappointments, but there have been usual glitches with the web interface. For instance, while the service is generally 99....
What advice do you have for others considering Amazon WorkMail?
When assessing the security features offered by Amazon WorkMail, such as encryption protocols, I check the security protocols on my phone using an external application that displays them immediatel...
What is your primary use case for Amazon SES?
My usual use cases for Amazon WorkMail started from my interest in all the AWS services, which are numerous, like hundreds, and how I could set up an online document service, something like Google ...
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 is your experience regarding pricing and costs for Microsoft Exchange?
I am aware of pricing aspects, and I would say it is affordable for what it is.
What needs improvement with Microsoft Exchange?
I see some drawbacks and areas for improvement; the quarantining is not fantastic. I think the quarantining is not fantastic because it lets a lot of spam through, and when it is notified of spam, ...
 

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: June 2026.
900,644 professionals have used our research since 2012.