Outlook 2007 desktop email client application will not be able to connect to the Office 365 Exchange mailboxes.
Starting October 31st, 2017 there will be a change on how authentication functions between the Office 365 Exchange online and your local machine’s Outlook program.
It is sparked by the ever-changing security landscape in an effort to provide a more robust authentication process via elective third-party solutions.
Who will this affect:
This change will adversely affect any user or organization that is using Outlook 2007 as that program will not be able to connect to Office 365 Exchange mailboxes. If you or your organization are using new versions of Outlook, the breakdown below shows what Updates need to be installed to ensure your connectivity remains intact:
||December 8, 2015
Subscription: 16.0.6568.20xx MSI: 16.0.4312.1001
||Service Pack 1, and December 8, 2015 update
||Service Pack 2, and December 8, 2015 update
Unsure if this affects you?
The best way to avoid issues regarding this compatibility change is to have your on-site technician or your trusted outsourced IT partner review your system. This will ensure you and your team have a positive experience as this change is implemented.
Share this article