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Pros & Cons summary

Buyer's Guide

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Prominent pros & cons

PROS

Office 365 provides seamless and immediate access to updates and new features, enhancing operational efficiency.
The integration with various applications, such as OneDrive, Teams, and SharePoint, enhances collaboration, productivity, and data management.
Its cloud-based nature ensures a consistent experience for all users, facilitating remote work and global connectivity.
The platform's collaboration capabilities, including real-time document editing and file sharing, significantly boost team productivity.
Office 365's security features, such as managed monitoring and threat detection, ensure robust protection of data across all platforms.

CONS

There are connectivity issues with Office 365 and its compatibility with non-Microsoft products needs improvement.
Security is complex, and support is described as terrible and inefficient.
Some users find Office 365 evolving with new features challenging, and the initial setup can be complicated, especially with advanced features.
Office 365 is not always flexible on mobile devices, and integration with other platforms, including Google Calendar, needs enhancement.
Trouble with Excel programming, including relative paths and debugging, is highlighted alongside issues with synchronization between desktop and online versions being slow.
 

Office 365 Pros review quotes

Nauta69 - PeerSpot reviewer
Engineer at Sociedad de Acueducto, Alcantarillado y Aseo de Barranquilla S.A. ESP
Jan 31, 2017
It is an excellent platform for teamwork.
it_user600150 - PeerSpot reviewer
IT Executive at a manufacturing company with 501-1,000 employees
Feb 1, 2017
Deployment went very smoothly even in its infancy.
it_user607398 - PeerSpot reviewer
SharePoint BI Developer at a non-tech company
Feb 12, 2017
Cost to value is much better than on premise SharePoint.
Learn what your peers think about Office 365. Get advice and tips from experienced pros sharing their opinions. Updated: March 2026.
884,933 professionals have used our research since 2012.
it_user607425 - PeerSpot reviewer
ICT Technical Coordinator at a retailer with 201-500 employees
Feb 12, 2017
I like that mail and calendar are available anywhere.
it_user607830 - PeerSpot reviewer
Project Manager & Non-Profit Practice Lead with 51-200 employees
Feb 13, 2017
Yammer and SharePoint’s social collaboration features have transformed our work style and the way we collaborate with the clients.
it_user598407 - PeerSpot reviewer
IT Systems Administrator at a manufacturing company with 51-200 employees
Feb 19, 2017
Provided us with better capability to trace emails, and provide security over those emails.
it_user613581 - PeerSpot reviewer
Systems Engineer at a tech services company with 5,001-10,000 employees
Feb 21, 2017
Frankly, the features packed by Microsoft and the compatibility with Microsoft operating systems provides you the best options when compared with other options available in market.
it_user582714 - PeerSpot reviewer
Technology Advisor at a tech vendor with 51-200 employees
Jun 27, 2017
We have greater ability to communicate and work on projects much more efficiently.
it_user698010 - PeerSpot reviewer
Lead Engineer Solutions at a media company with 51-200 employees
Aug 10, 2017
Less overhead, work anywhere/anytime, and tools for teamwork, productivity, and administration.
it_user754794 - PeerSpot reviewer
IT User at a tech company with 51-200 employees
Oct 14, 2017
Reduces the manageability from physical server to cloud, with less chance of issues.
 

Office 365 Cons review quotes

Nauta69 - PeerSpot reviewer
Engineer at Sociedad de Acueducto, Alcantarillado y Aseo de Barranquilla S.A. ESP
Jan 31, 2017
Once issue occurred when we moved large mailboxes (greater than 20 GB). That took a considerable amount of time to finalize.
it_user600150 - PeerSpot reviewer
IT Executive at a manufacturing company with 501-1,000 employees
Feb 1, 2017
Be sure you understand ADFS and, if you decide to go with it, what you get and don't get with it.
it_user607398 - PeerSpot reviewer
SharePoint BI Developer at a non-tech company
Feb 12, 2017
I would like to see improvements in connections to external content types and their connectors.
Learn what your peers think about Office 365. Get advice and tips from experienced pros sharing their opinions. Updated: March 2026.
884,933 professionals have used our research since 2012.
it_user607425 - PeerSpot reviewer
ICT Technical Coordinator at a retailer with 201-500 employees
Feb 12, 2017
Microsoft Excel for Mac (version 15.30) is very slow with a large Excel document.
it_user607830 - PeerSpot reviewer
Project Manager & Non-Profit Practice Lead with 51-200 employees
Feb 13, 2017
Task management needs to improve.
it_user598407 - PeerSpot reviewer
IT Systems Administrator at a manufacturing company with 51-200 employees
Feb 19, 2017
The default reporting is not very helpful; extendable mostly through PowerShell; must have knowledge of PowerShell to fully utilize.
it_user613581 - PeerSpot reviewer
Systems Engineer at a tech services company with 5,001-10,000 employees
Feb 21, 2017
The Microsoft Intune admin portal still needs some compatibility support to run on all browsers.
it_user582714 - PeerSpot reviewer
Technology Advisor at a tech vendor with 51-200 employees
Jun 27, 2017
Skype for Business could use some help.
it_user698010 - PeerSpot reviewer
Lead Engineer Solutions at a media company with 51-200 employees
Aug 10, 2017
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).
it_user754794 - PeerSpot reviewer
IT User at a tech company with 51-200 employees
Oct 14, 2017
Setup is bit difficult.