There is room for improvement in terms of reporting. There could be more features around it.
Cloud Services Director at a tech services company with 11-50 employees
Has an easy initial setup and is scalable
Pros and Cons
- "The initial setup was easy."
- "There is room for improvement in terms of reporting."
What needs improvement?
For how long have I used the solution?
I have been using this solution for a year.
What do I think about the scalability of the solution?
There are around ten users in our organization. We are planning to extend our usage to 50 people.
Which solution did I use previously and why did I switch?
I worked with ESET. I switched to Defender because it was free with Office 365.
Buyer's Guide
Microsoft Defender for Office 365
May 2025

Learn what your peers think about Microsoft Defender for Office 365. Get advice and tips from experienced pros sharing their opinions. Updated: May 2025.
851,823 professionals have used our research since 2012.
How was the initial setup?
The initial setup was easy. It took a few hours.
What other advice do I have?
Overall, I would rate the solution an eight out of ten. The reporting features have room for improvement.
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: I am a real user, and this review is based on my own experience and opinions.

Cybersecurity and Business Continuity Consultant at a tech services company with 201-500 employees
Reliable, simple setup, but best practice information needed
Pros and Cons
- "The most valuable feature of Microsoft Defender for Office 365 is the ease of use."
- "Microsoft Defender for Office 365 could improve by giving customers information on techniques to prevent threats. For example, information about best practices on how to protect their own devices against hackers and scammers, such as educational information or training. This would help others have a better understanding of cyber security. Additionally, there can be more security features added."
What is our primary use case?
We are using Microsoft Defender for Office 365 to defend against computer threats.
What is most valuable?
The most valuable feature of Microsoft Defender for Office 365 is the ease of use.
What needs improvement?
Microsoft Defender for Office 365 could improve by giving customers information on techniques to prevent threats. For example, information about best practices on how to protect their own devices against hackers and scammers, such as educational information or training. This would help others have a better understanding of cyber security. Additionally, there can be more security features added.
For how long have I used the solution?
I have been using Microsoft Defender for Office 365 for approximately five years.
What do I think about the stability of the solution?
Microsoft Defender for Office 365 is a stable solution.
What do I think about the scalability of the solution?
The solution is scalable in my usage.
How are customer service and support?
I have not used the technical support from Microsoft. I managed to fix any issues I had myself.
How was the initial setup?
The implementation is simple and Microsoft Defender for Office 365 because it comes with Microsoft Windows, works as soon as the computer is on.
What's my experience with pricing, setup cost, and licensing?
Microsoft Defender for Office 365 comes with Microsoft Windows. It is free with the operating system.
What other advice do I have?
I rate Microsoft Defender for Office 365 a seven out of ten.
Which deployment model are you using for this solution?
Private Cloud
Disclosure: I am a real user, and this review is based on my own experience and opinions.
Buyer's Guide
Microsoft Defender for Office 365
May 2025

Learn what your peers think about Microsoft Defender for Office 365. Get advice and tips from experienced pros sharing their opinions. Updated: May 2025.
851,823 professionals have used our research since 2012.
Senior Network Analyst at a financial services firm with 1,001-5,000 employees
A stable, scalable, and resilient security solution
Pros and Cons
- "At the moment we are satisfied with this product. It's a stable, scalable, and resilient solution for us."
- "It would be better if it were more scalable. It depends on the architecture, but we would like to make it more scalable for both data centers."
What is our primary use case?
In general, we use it for OneDrive and Office tools.
What is most valuable?
At the moment we are satisfied with this product. It's a stable, scalable, and resilient solution for us.
What needs improvement?
It would be better if it were more scalable. It depends on the architecture, but we would like to make it more scalable for both data centers.
For how long have I used the solution?
I have been working with Microsoft Defender for Office 365 for almost seven years.
What do I think about the stability of the solution?
Microsoft Defender for Office 365 is very stable.
What do I think about the scalability of the solution?
Microsoft Defender for Office 365 is very scalable. Because we have our issues on principle access, we can be scalable and resilient.
How are customer service and technical support?
Technical support is excellent and very helpful.
What other advice do I have?
I would recommend the solution because it's very helpful as a scalable and resilient solution. It's useful for our users here every day.
On a scale from one to ten, I would give Microsoft Defender for Office 365 a nine.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company has a business relationship with this vendor other than being a customer: Partner
Co-Founder with 11-50 employees
Simple implementation and reliable
Pros and Cons
- "Microsoft Defender for Office 365 is a stable solution."
- "We are always looking for others tools to increase automation on tasks. There can be better integration with other solutions, such as PowerPoint and email."
What needs improvement?
We are always looking for others tools to increase automation on tasks. There can be better integration with other solutions, such as PowerPoint and email.
For how long have I used the solution?
I have been using Microsoft Defender for Office 365 for approximately five years.
What do I think about the stability of the solution?
Microsoft Defender for Office 365 is a stable solution.
What do I think about the scalability of the solution?
We have approximately 10 people using the solution.
We might increase usage of the solution depending on the market.
How are customer service and support?
We only have had one or two problems over the past two years.
How was the initial setup?
The initial setup was not complicated.
What about the implementation team?
There was no need for help for the implementation, we did it ourselves.
What other advice do I have?
I rate Microsoft Defender for Office 365 a nine out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: I am a real user, and this review is based on my own experience and opinions.

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Updated: May 2025
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