Final Reminder: As previously announced (MC229143 – December ’20, MC274503 – July and MC288472 – September), to ensure that we meet performance expectations, we are updating the supported versions of Outlook for Windows that can connect to Microsoft 365 services.
Note: Effective November 1, 2021, the following versions of Outlook for Windows (starting with Outlook 2007, in a phased rollout), will not be able to connect with Office 365 and Microsoft 365 services.
- Additional Apps and Versions have been added since last communication.
Office and Microsoft 365 Apps | Outlook for Windows Version |
Office 2007 | All Versions |
Office 2010 | All Versions |
Office 2013 | Versions prior to 15.0.4971.1000 of Office 2013 (Service Pack 1 with the October 2017 Update) |
Office 2016 MSI | Versions prior to 16.0.4600.1000 of Office 2016 (With the November 2017 Update, KB 4051890) |
Microsoft 365 Apps for enterprise;(formerly Office 365 ProPlus) | 1705 and older |
Microsoft 365 Apps for business(formerly Office 365 Business) | 1705 and older |
Key Points:
- Major: Retirement
- Timing: November 1, 2021
- Action: Ensure Outlook for Windows client are updated accordingly
How this will affect your organization:
Versions that are newer than minimum version requirements listed above, but are not the currently supported version, may experience connectivity issues