- Microsoft Office
- Skype for Business
- Office 2016
- Data loss prevention
IT Systems Administrator at a manufacturing company with 51-200 employees
Provides the capability to trace emails, and provides security over those emails.
What is most valuable?
How has it helped my organization?
- Provided us with better capability to trace emails, and provide security over those emails.
- Provided the ability to encrypt email.
- Gave us a professional video conferencing system.
- Easily manageable.
What needs improvement?
The default reporting is not very helpful; extendable mostly through PowerShell; must have knowledge of PowerShell to fully utilize.
For how long have I used the solution?
I have used it for a little over one year.
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What do I think about the stability of the solution?
I have not had an issue with anything going down. On Google Apps for Business, it was frequent.
What do I think about the scalability of the solution?
No issues with scalability; easy to work with and extend.
How are customer service and support?
Honestly have not had to deal with technical support; most problems have been resolvable through the community and online research.
Which solution did I use previously and why did I switch?
We previously used Google Apps for Business. Solution was incomplete, a headache to manage and extend. Email filtering was essentially useless.
How was the initial setup?
Initial setup was very straightforward; was able to set up and migrate with little assistance.
What's my experience with pricing, setup cost, and licensing?
We use a parallel licensing structure through Dell. Originally, there were some limitations; however, those limitations are now rare.
Which other solutions did I evaluate?
We looked into an onsite email server, as well as staying with Google Apps for Business.
What other advice do I have?
Know PowerShell. This is where the true power of Office 365 lies.
Disclosure: I am a real user, and this review is based on my own experience and opinions.

TitleGrowth Equity Associate at a venture capital & private equity firm with 51-200 employees
There's nothing else like it and it has a good feature set
Pros and Cons
- "I like all of the features."
- "In the next release, I would like to have a more intuitive tutorial."
What is our primary use case?
My primary use cases are for Word:
- I write memos
- PowerPoint
- Pitch decks
- Excel
- Financial models.
What is most valuable?
I like all of the features.
What needs improvement?
In terms of improvement, a better help bar would be good. I find it's generally not very helpful and I have to search online.
For how long have I used the solution?
I have been using Office 365 for twelve years.
What do I think about the stability of the solution?
It's stable.
What do I think about the scalability of the solution?
It's easy to expand and add new things like Google Docs and new PowerPoints.
I use it all the time.
How was the initial setup?
The initial setup was straightforward. The process was short. I did it myself.
What other advice do I have?
In the next release, I would like to have a more intuitive tutorial.
I would rate Office 365 a ten out of ten. There's nothing else like it.
Disclosure: I am a real user, and this review is based on my own experience and opinions.
Buyer's Guide
Office 365
May 2025

Learn what your peers think about Office 365. Get advice and tips from experienced pros sharing their opinions. Updated: May 2025.
852,764 professionals have used our research since 2012.
Lead Engineer Solutions at a media company with 51-200 employees
Tools For Teamwork, Productivity, And Administration
What is most valuable?
Office 365, Skype for Business Online, SharePoint.
How has it helped my organization?
Less overhead, work anywhere/anytime. Tools for teamwork, productivity, and administration.
What needs improvement?
The ability to work with SharePoint from within the Office applications is limited. (There is still a need for third party tools like Harmon.ie).
For how long have I used the solution?
Five years.
What do I think about the stability of the solution?
Negligible.
What do I think about the scalability of the solution?
Negligible.
How are customer service and technical support?
High level of technical support from Microsoft.
Which solution did I use previously and why did I switch?
On-premises: Office 1010/2013/2016, Sharepoint Server, Skype/Lync farm. We switched because of the ease of administration and reduced overhead.
How was the initial setup?
With the help of a clear project plan and adoption plan, implementation of Office 365 is mostly straightforward. SharePoint does need more attention. Mostly adoption issues.
What's my experience with pricing, setup cost, and licensing?
Contact Microsoft about any pricing issues.
Which other solutions did I evaluate?
No.
What other advice do I have?
Adoption is key! Don't push it. Especially for users who are used to working with traditional tools, it will be hard to adopt a new way of work.
Disclosure: I am a real user, and this review is based on my own experience and opinions.
ICT Technical Coordinator at a retailer with 201-500 employees
Enables email and calendar availability, as well as sharing.
What is most valuable?
I like that mail and calendar are available anywhere. It is easy to share with colleagues.
How has it helped my organization?
I can make changes in seconds. It is easy to share the mailbox and the calendar. It is easy set the 'out of office' status.
What needs improvement?
Microsoft Excel for Mac (version 15.30) is very slow with a large Excel document. Microsoft Excel for Windows is much faster on the same Mac with Windows (Boot Camp). I’d like to see an improvement in the speed of Excel for Mac in relation to Windows.
For how long have I used the solution?
We have used this solution for one and a half years.
What do I think about the stability of the solution?
Microsoft Excel on Mac OS can be very slow.
What do I think about the scalability of the solution?
I did not encounter any issues with scalability.
How is customer service and technical support?
I would give technical support a rating of 8/10.
How was the initial setup?
In our case, the installation was fairly easily, after good preparation and a plan of action. The migration of all old mailboxes to Microsoft Office 365 takes a long time. We completed this with no problems.
What's my experience with pricing, setup cost, and licensing?
This is not the cheapest option, but the product can scale to the needs of the company.
Which other solutions did I evaluate?
We evaluated CommuniGate Pro Server and Kerio Connect Mail.
What other advice do I have?
Have a good plan with shared mail and calendars.
Disclosure: I am a real user, and this review is based on my own experience and opinions.
Assistant Manager, IT Infrastructure & Planning Division at a financial services firm with 1,001-5,000 employees
SharePoint and Yammer are the most valuable features.
What is most valuable?
You know that there a lot of features are available. SharePoint and Yammer are the most valuable.
How has it helped my organization?
Any user can get updates from this portal easily.
What needs improvement?
- Yammer
- RMS
- Delve
For how long have I used the solution?
I have used it for the last three years.
What was my experience with deployment of the solution?
We have not encountered any deployment issues.
What do I think about the stability of the solution?
We have not encountered any stability issues.
What do I think about the scalability of the solution?
We have not encountered any issues like that.
How are customer service and technical support?
Customer Service:
Customer service is very good.
Technical Support:Technical support is very good.
Which solution did I use previously and why did I switch?
We used only Google, but we have Microsoft AD, Exchange, SharePoint, System Center, Lync/Skype for Business, so that Office 365 Enterprise is the most important for us.
How was the initial setup?
Initial setup was not complex.
What about the implementation team?
We implemented it with our team.
What was our ROI?
We got a lot of ROI from the business site.
What's my experience with pricing, setup cost, and licensing?
You need to compromise regarding the licensing and pricing.
Which other solutions did I evaluate?
I would recommend using products from the same vendor (i.e., Microsoft).
What other advice do I have?
It is excellent for any organization's business productivity.
Disclosure: I am a real user, and this review is based on my own experience and opinions.
Vice President of Sales (Europe) at a computer software company with 51-200 employees
Integrates well, good performance, and easy to install
Pros and Cons
- "The most valuable feature of this solution is the integration."
- "I would like to see better integration with Teams, and better usability with SharePoint."
What is most valuable?
The most valuable feature of this solution is the integration. Everything is integrated.
What needs improvement?
Teams could be better. It is not very well integrated with the rest of the solution. It's too heavy.
I would like to see better integration with Teams, and better usability with SharePoint. It's complicated.
For how long have I used the solution?
I have been using Office 365 for a couple of weeks.
Office 365 is always current, it's a service.
What do I think about the stability of the solution?
Office 365 is very stable. I don't have any problems with the stability of this solution.
What do I think about the scalability of the solution?
We don't have any problems with the scalability of Office 365.
We use Office 365 extensively, we use it all of the time.
In our company, we have several dozen users.
How are customer service and support?
I have not contacted technical support.
Which solution did I use previously and why did I switch?
We are a publishing company. We develop our own solution, which I use on a daily basis.
How was the initial setup?
The initial setup is very easy.
What's my experience with pricing, setup cost, and licensing?
Licensing fees are paid on a monthly basis, or we prepay them.
What other advice do I have?
I would advise you to carefully plan your migration.
We are both customers and a partner with Office 365.
I like this solution, I have everything that I need. I would rate Office 365 an eight out of ten.
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: partner
SharePoint BI Developer at a non-tech company
Provides version control and helps manage the assignment of tasks.
What is most valuable?
People tend to keep their mistakes hidden. With version control, you only have access to what you need. Managing assignments of tasks can make a team effort be more transparent. The solution keeps people honest.
How has it helped my organization?
Team members can work together and make them more accountable.
What needs improvement?
I would like to see improvements in connections to external content types and their connectors.
While consulting at a client’s office, I found it very difficult to connect SharePoint designer external content types to the IBM AS400 iSeries connector. I was also trying to connect to the JDE connector.
For how long have I used the solution?
We have used this solution for six years.
What do I think about the stability of the solution?
At first there were some stability issues. However, Microsoft got much better with it over time.
What do I think about the scalability of the solution?
I did not encounter any issues with scalability.
How is customer service and technical support?
I would rate technical support with an 8/10.
How was the initial setup?
It was easier to set up in the earlier versions. Now it has many more bells to ring.
What's my experience with pricing, setup cost, and licensing?
Cost to value is much better than on premise SharePoint.
Which other solutions did I evaluate?
We evaluated Amazon Web Services.
What other advice do I have?
Do your homework first, plan governance, and then pull the trigger. Use a migration tool to add metadata to file share documents.
Disclosure: My company has a business relationship with this vendor other than being a customer: We do consulting services using Microsoft products only.
Executive Director - India Region at a tech services company with 11-50 employees
Easy to set up, well bundled applications, and very stable
Pros and Cons
- "I love all of the applications being interlinked. I do not have to separately work on an independent system when it comes to file storage, email, and other tools."
- "I started working a lot on Microsoft Teams and I find it a bit vast. It should be divided out a bit so that someone can use it for basic functionality, like audio, video, and calls. Then, if someone wants more advanced functionality for file sharing and team creation, and so on, they could use a separate app."
What is our primary use case?
We primarily use the solution for office communication.
What is most valuable?
Everything about the solution is useful.
Outlook is great. We like that there's SharePoint connectivity. The OneDrive is amazing.
I love all of the applications being interlinked. I do not have to separately work on an independent system when it comes to file storage, email, and other tools.
It's great that there's also one single sign-on and all features are available.
What needs improvement?
I started working a lot on Microsoft Teams and I find it a bit vast. It should be divided out a bit so that someone can use it for basic functionality, like audio, video, and calls. Then, if someone wants more advanced functionality for file sharing and team creation, and so on, they could use a separate app. I would prefer it as separate options (advanced vs basic). Currently, it is all bundled in one big product and it's confusing.
For how long have I used the solution?
I've been using the solution for three years at this point.
What do I think about the stability of the solution?
The stability of the solution is good. The functionality is never affected by bugs or glitches. It doesn't freeze or crash. After using it for more than two years, we haven't had a problem.
What do I think about the scalability of the solution?
The scalability of the solution is good. We've never had any issues with it.
How are customer service and technical support?
Although we haven't contacted Microsoft's technical support for this solution, my past experience with them was largely positive. Generally, they are very quick to respond if we need help.
How was the initial setup?
The initial setup was not complex. It was very straightforward. We were online in a matter of minutes.
Deployment has taken about two and a half years.
What about the implementation team?
We didn't need the assistance of an integrator or reseller to help us set anything up. It's cloud-based so it's easy.
What other advice do I have?
I'd recommend the solution to others. They should just take the product and start using it. It's fantastic having everything in one place.
I'd rate the solution ten out of ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: I am a real user, and this review is based on my own experience and opinions.

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