Desktop Outlook calendar view often "updates" and stops users working in that view

Anthony Edwards 21 Reputation points

In the Desktop version of Outlook whilst in calendar view, we find that Outlook often "updates" calendars frequently in Exchange (it actually feels possessed). This seems to happen when viewing multiple calendars in the tabbed view for me (and stops us working in that view for a good few seconds, when we are adding calendar events in the overview, when we are typing the name it will often split the letters of what your typing into separate events, it also visually makes the weeks in the Month view bounce up down by a week and repeats 3 or 4 times before "settling down" again.

My colleague also has this but even with only one calendar open. We are both using outlook 2019 and we are 100% working in non-cached mode, our other users don't get this issue in cached mode, but we purposely work in non-cached mode so we can "feel" slowness on our server before it impacts anyone. Has anyone else experienced this, this driving us slightly mad.


Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Faery Fu-MSFT 17,286 Reputation points Microsoft Vendor

    Hi @Anonymous ,

    Welcome to our forum!

    In order to verify, are the calendars in question shared calendars?
    If so, try to remove the shared calendar and re-open the shared calendar.

    According to my test on online mode, it works normal, so have you tried on the web side? Does the issue continue?

    Besides, we kindly suggest you have a try with create a profile in Outlook for Mac you could refer Manage profiles or identities in Outlook for Mac know to more details do further check there is any improvement.

    Furthermore, if this issue still occurring to you, please try with clear Outlook cache Clear the cache in Outlook for Mac, please let us know if there has such update when you tried these steps.

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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  2. Anthony Edwards 21 Reputation points

    these are shared mailboxes not specifically additionally added shared calendars.

    I have had this issue across multiple computers and Outlook profiles. this is windows not mac.

    it only happens in outlook not on OWA

    thanks for the help