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Cannot sign in to excel or word

Marcia Monaco 20 Reputation points
2026-03-30T19:44:51.4933333+00:00

When I try to open a document in Excel it asks me to sign in to my account. After I sign in I try to open an existing document in Excel and it requires another sign in then gives me an error saying I need internet to access. I have an active internet connection,.

Microsoft 365 and Office | Excel | For home | Windows
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  1. EmilyS726 223.6K Reputation points Independent Advisor
    2026-03-30T20:20:33.77+00:00

    Can you go check your Windows Settings > Windows update, and see if you might have  KB5085516 available to install?

    KB5085516 was released on March 21st to address Microsoft account sign in issue among some apps caused by KB5079473 https://support.microsoft.com/topic/march-21-2026-kb5085516-os-builds-26200-8039-and-26100-8039-out-of-band-09e85404-1cb6-4ed4-9ca5-3e40d74307b9

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