Windows 10: Update Changed Office 2016 to 365 and Requires re-authentication

Discus and support Update Changed Office 2016 to 365 and Requires re-authentication in Microsoft Office and 365 to solve the problem; An update processed automatically on July 24, 2020 that changed the look and functionality of Outlook and requires re-authentication of Word, Excel,... Discussion in 'Microsoft Office and 365' started by Wiley, Jul 25, 2020.

  1. Wiley Win User

    Update Changed Office 2016 to 365 and Requires re-authentication


    An update processed automatically on July 24, 2020 that changed the look and functionality of Outlook and requires re-authentication of Word, Excel, and PPT. Also re-labels them all as Office 365 instead of Office 2016. This re-labeling has occurred once before but I found support to reverse it. Now I have changes made to the underlying apps. Can this be undone?
    Windows 10, Version 2004, O/S Build 19041.388

    :)
     
    Wiley, Jul 25, 2020
    #1
  2. Diankah Win User

    Office 365 or Office 2016

    I am having a similar problem. I have never to my knowledge indicated that I want Office 365 or an Office 365 "free trial"; I have Office 2016 installed on my laptop. The application list on the start menu does not include Office 365. However, Settings/Apps does indicate that it's installed. Today my system was co-opted by Office 365 Click-to-Run grabbing both disk and CPU; this has not happened before.

    I bought this laptop two years ago, bought Office 2016 and installed it via Microsoft download as no installation media were provided. I uninstalled the annoying "Get Office" application at that time and have been a happy Word user until earlier today.

    I don't know if this is relevant, but this behavior started right after Windows Update installed the August 14 cumulative update (KB4343909). No updates to either Office version appeared in update history.

    My questions about how to deal with this situation are:
    --Would the Uninstall option in Apps get rid of Office 365 entirely and leave Office 2016 in place and working?
    --Is there an effective way to disable or stop Click to Run and keep it stopped?
    --Should I change the update setting in Office to Do Not Update? I did try to look at the Office update history, but all I got was an Office 365 sign-in screen--useless because I don't have an Office 365 account.

    Any suggestions would be greatly appreciated. Thanks very much in advance.
     
    Diankah, Jul 25, 2020
    #2
  3. Brink Win User
    Insider Slow update for Office 2016 & Office 365 build 16.0.7466.2017

    Update October 25, 2016: Now at Version 1610 (Build 7466.2023) for Current Channel (Office Insider Slow)


    Source: Announcing October Insider Slow update for Office 2016 for Office 365 - Microsoft Community



    Update Changed Office 2016 to 365 and Requires re-authentication [​IMG]
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    Brink, Jul 25, 2020
    #3
  4. Brink Win User

    Update Changed Office 2016 to 365 and Requires re-authentication

    Insider Slow update for Office 2016 & Office 365 build 16.0.7466.2017


    Update October 25, 2016: Now at Version 1610 (Build 7466.2023) for Current Channel (Office Insider Slow)


    Source: Announcing October Insider Slow update for Office 2016 for Office 365 - Microsoft Community



    Update Changed Office 2016 to 365 and Requires re-authentication [​IMG]
    Tip
     
    Brink, Jul 25, 2020
    #4
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Update Changed Office 2016 to 365 and Requires re-authentication

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