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#Microsoft365 | Reminder: Update to Microsoft 365 and Outlook for Windows connectivity

 

Microsoft

Reminder: Update to Microsoft 365 and Outlook for Windows connectivity

MC294992 · HCS COMPANY MICROSOFT SERVICES B.V.

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.

To see a list of the currently supported versions, visit Update history for Microsoft 365 Apps (listed by date) (for Microsoft 365 Apps) or Latest updates for versions of Office that use Windows Installer (MSI) (see “Latest Public Update” for Office 2013 and 2016).

Supported versions of Outlook for Windows in Office and Microsoft 365 will continue to connect to Microsoft 365 services as expected.

What you need to do to prepare:

We recommend that all users upgrade to the supported versions of Office and Microsoft 365 Apps.

Microsoft Corporation, One Microsoft Way, Redmond WA 98052 USA

Microsoft

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