Microsoft Exchange Online is a better solution for scalability purposes. The solution is helpful where you need too much infrastructure on-premises.
Solution Architect at APIS
An affordable and scalable solution that is easy to set up and configure
Pros and Cons
- "The solution is easy to access, and you can bring your own device to access from anywhere."
- "The solution's performance can be improved when you are trying to access it remotely."
What is our primary use case?
What is most valuable?
Microsoft Exchange Online has a really good performance. The solution is easy to access, and you can bring your own device to access from anywhere. You can still have the security controls on top of it.
What needs improvement?
The solution's performance can be improved when you are trying to access it remotely.
For how long have I used the solution?
I have been using Microsoft Exchange Online for ten years.
Buyer's Guide
Microsoft Exchange Online
May 2025

Learn what your peers think about Microsoft Exchange Online. Get advice and tips from experienced pros sharing their opinions. Updated: May 2025.
857,028 professionals have used our research since 2012.
What do I think about the stability of the solution?
Microsoft Exchange Online is a stable solution.
I rate Microsoft Exchange Online a nine out of ten for stability.
What do I think about the scalability of the solution?
The solution’s scalability is good.
How was the initial setup?
The solution’s initial setup is really easy.
What about the implementation team?
We implemented the solution through an in-house team.
What's my experience with pricing, setup cost, and licensing?
Microsoft Exchange Online is an affordable solution.
What other advice do I have?
Two engineers are sufficient to deploy and maintain the solution. Microsoft Exchange Online is a cloud-based solution.
Microsoft Exchange Online is easy to set up and configure. I would definitely recommend the solution to other users.
Overall, I rate Microsoft Exchange Online ten out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.

Solution architect at Cargill
User-friendly, intuitive, and scalable
Pros and Cons
- "All of the features are beneficial, but the scheduling feature is particularly useful."
- "The stability of the solution on Mac products has room for improvement."
What is our primary use case?
We use the solution for emailing.
What is most valuable?
50 percent of my work is accomplished via email. All of the features are beneficial, but the scheduling feature is particularly useful.
The solution is user-friendly and intuitive.
What needs improvement?
The stability of the solution on Mac products has room for improvement.
For how long have I used the solution?
I have been using the solution for 25 years.
What do I think about the stability of the solution?
I give the stability a ten out of ten.
What do I think about the scalability of the solution?
The solution is scalable. We have ten thousand people using the solution in our organization.
How was the initial setup?
The initial setup is straightforward.
What's my experience with pricing, setup cost, and licensing?
Our organization pays for a corporate license to use the solution.
What other advice do I have?
I give the solution a ten out of ten.
Microsoft Exchange Online is simple and intuitive and I recommend the solution.
Which deployment model are you using for this solution?
Public Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Microsoft Azure
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
Microsoft Exchange Online
May 2025

Learn what your peers think about Microsoft Exchange Online. Get advice and tips from experienced pros sharing their opinions. Updated: May 2025.
857,028 professionals have used our research since 2012.
Lead Solutions Architect at a tech vendor with 10,001+ employees
Easily implement, stable, and scalable
Pros and Cons
- "The initial setup is straightforward and easy to configure."
- "Cloud security is always a concern and the solution can always increase their security."
What is most valuable?
The most valuable feature is brand use.
What needs improvement?
Some of our clients such as banks are always concerned about storing their data in the cloud. Cloud security is always a concern and the solution can always increase their security.
For how long have I used the solution?
I have been using the solution for six years.
What do I think about the stability of the solution?
The solution is stable.
What do I think about the scalability of the solution?
The solution is scalable.
How are customer service and support?
The technical support is always good.
How was the initial setup?
The initial setup is straightforward and easy to configure.
What about the implementation team?
We implement the solution for our clients.
What other advice do I have?
I give the solution nine out of ten.
For our clients that have security concerns regarding storing their information in the cloud, I always recommend Microsoft Exchange On-Prem products.
Depending upon each project, we can have thousands of people working on this solution.
Which deployment model are you using for this solution?
Private Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Disclosure: My company has a business relationship with this vendor other than being a customer: Partner
Senior Manager at Havells
Initial setup straightforward, high availability, and performs well
Pros and Cons
- "The most valuable feature of Microsoft Exchange Online is its performance."
- "There is an annual enterprise subscription could improve by having more features."
What is our primary use case?
Microsoft Exchange Online is used for all the emails and the software is used by all employees to send emails to others and to corroborate with other people over the email.
What is most valuable?
The most valuable feature of Microsoft Exchange Online is its performance.
What needs improvement?
There is an annual enterprise subscription could improve by having more features.
For how long have I used the solution?
I have been using Microsoft Exchange Online for approximately 10 years.
What do I think about the stability of the solution?
Microsoft Exchange Online is stable.
What do I think about the scalability of the solution?
I have found Microsoft Exchange Online to be scalable.
How are customer service and support?
Microsoft Exchange Online support can be optimized further. They should put some more efficient technical engineers to support end customers.
Which solution did I use previously and why did I switch?
I previously used Microsoft Exchange on-premise, and we switched because we wanted to use the cloud.
How was the initial setup?
The initial setup of Microsoft Exchange Online is straightforward.
What's my experience with pricing, setup cost, and licensing?
There is an annual enterprise subscription to use Microsoft Exchange Online. The price is reasonable.
What other advice do I have?
I would recommend this solution to others.
I rate Microsoft Exchange Online a nine out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Provides a secure login and is intuitive but needs to be more user friendly
Pros and Cons
- "Intuitive and easy to use."
- "Using this solution is initially quite complicated."
What is our primary use case?
This product provides us with a secure login and enables us to gather information from our users. We are resellers and I'm a key account manager.
What is most valuable?
The design is intuitive and better than the solution we had previously used. Once it was configured it was very easy to use.
What needs improvement?
This is a single solution and if it's the first time you've used Exchange, it's extremely difficult to get users onboard because it's much more complicated than you'd have with 365, for example.
For how long have I used the solution?
We've only just started using it, it's been a week.
What do I think about the stability of the solution?
The solution is stable.
What do I think about the scalability of the solution?
The solution is scalable, we have around 100 users.
How was the initial setup?
The initial setup was complex and took us around two weeks. We deployed in-house; it's in the cloud so there's no maintenance required.
What other advice do I have?
The problem is that it's a little complicated when you first start using it. It's important to read up about it and figure out whether it's the right solution for you.
I rate the solution seven out of 10.
Which deployment model are you using for this solution?
Public Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Microsoft Azure
Disclosure: My company has a business relationship with this vendor other than being a customer:
Program and performance manager at Ethio Telecom
Simple, easy to use, scalable, and easy to install
Pros and Cons
- "Microsoft Exchange Online is very simple and easy to use."
- "For non-technical people, some configurations might be a little bit difficult. We can use it on our laptops or our portable devices like mobiles and others gadgets, but we have had repeated problems with syncing. That is, when using different gadgets and devices, there are issues with syncing. The configuration could definitely be improved."
What is our primary use case?
We use SharePoint and Active Directory, meaning that all telecom users and customers are authenticated. We use it as a gateway.
What is most valuable?
Microsoft Exchange Online is very simple and easy to use.
What needs improvement?
For non-technical people, some configurations might be a little bit difficult. We can use it on our laptops or our portable devices like mobiles and others gadgets, but we have had repeated problems with syncing. That is, when using different gadgets and devices, there are issues with syncing. The configuration could definitely be improved.
Technical support is needed for any log-in credential problems and other related issues.
For how long have I used the solution?
I've been using it since 2008.
What do I think about the scalability of the solution?
It is scalable. We have around 16,000 users in our company.
How was the initial setup?
There are no problems with the installation, but when you finish the installation and get to the authentication part of the log-in, there may be problems. It needs improvement.
A team of not more than ten is needed for deployment and maintenance.
What's my experience with pricing, setup cost, and licensing?
We have yearly licensing costs.
What other advice do I have?
I would rate Microsoft Exchange Online at eight on a scale from one to ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Director of Infrastructure and Technical Services at a healthcare company with 5,001-10,000 employees
Performs well, and is simple to install, but the technical support could be improved
Pros and Cons
- "Microsoft Exchange Online's resiliency is its most valuable feature."
- "We use different software for email spoofing filters and similar functions because Exchange is quite limited in this area."
What is our primary use case?
We use Microsoft Exchange Online for email.
What is most valuable?
Microsoft Exchange Online's resiliency is its most valuable feature.
What needs improvement?
We use different software for email spoofing filters and similar functions because Exchange is quite limited in this area.
Email spoofing, monitoring, email marketing, and email broadcast have limits or are governed by the number of emails you can send, in any given hour.
I would like to use it as my email broadcasting method.
For how long have I used the solution?
I have been using Microsoft Exchange Online for three years. We were migrating before Covid.
What do I think about the stability of the solution?
Microsoft Exchange Online is quite stable.
I would rate the stability a nine out of ten.
What do I think about the scalability of the solution?
I would rate the scalability of Microsoft Exchange Online an eight out of ten.
How are customer service and support?
I would the technical support a five out of ten.
How was the initial setup?
The initial setup is pretty straightforward.
What other advice do I have?
Make sure that's what you want to use. Consider your requirement. And if you want to scale to, say, an enterprise-class, you should be aware of certain of Exchange online's limits.
I like it, I would rate it a seven out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
IT Support Specialist at Wagner Kablo A.S.
Highly scalable solution with excellent webmail platform
Pros and Cons
- "Exchange Online's best feature is its webmail platform."
- "Exchange Online has issues with its mail flow and content search."
What is most valuable?
Exchange Online's best feature is its webmail platform.
What needs improvement?
Exchange Online has issues with its mail flow and content search.
For how long have I used the solution?
I've been using Exchange Online for two years.
What do I think about the stability of the solution?
Exchange Online is stable.
What do I think about the scalability of the solution?
Exchange Online is very scalable
How was the initial setup?
The initial setup was very basic.
What about the implementation team?
I implemented Exchange Online myself.
What's my experience with pricing, setup cost, and licensing?
We have a yearly license for Exchange Online.
What other advice do I have?
I would recommend Exchange Online to other users and rate it nine out of ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.

Buyer's Guide
Download our free Microsoft Exchange Online Report and get advice and tips from experienced pros
sharing their opinions.
Updated: May 2025
Product Categories
Email ApplicationsPopular Comparisons
Google Workspace
Microsoft Exchange
Amazon WorkMail
Zimbra Collaboration
KerioConnect
Open-Xchange
ProtonMail
OpenText GroupWise
Buyer's Guide
Download our free Microsoft Exchange Online Report and get advice and tips from experienced pros
sharing their opinions.
Quick Links
Learn More: Questions:
- When evaluating Email Applications, what aspect do you think is the most important to look for?
- What should I look for when choosing an email solution for my company?
- What is the best choice for email?
- Which solution should we choose? - IceWarp, Zentyal, UCS, Collax, Scalix, Zimbra or Kollab?
- Why is Email Applications important for companies?