Microsoft sets Nov. 1 deadline for shutting off old Outlook clients from 365 services

Microsoft has reminded commercial customers using older versions of Outlook that they have just two months to upgrade before they’re cut off from the company’s Microsoft 365 and Office 365 services.

“After November 1, 2021, only Outlook 2013 Service Pack 1 (with latest fixes) and later will be able to connect to Microsoft 365 services,” the firm said in an unsigned Aug. 27 post to a company blog.

Last year, Microsoft dropped support for older versions of Office connecting to its online services, such as Exchange Online, as of Oct. 13, 2020. Affected editions of Office included Office 2007, which was already out of all support; Office 2010, which was to exit support on that same Oct. 13 date; and Office 2013, which was to receive support until April 2023. The support-on-services shutdown had been in the works since 2017.

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