Outlook calendar shared not updating
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For detailed instructions, see Reconnect Outlook 2016 or Outlook 2013 to for uninterrupted email access.
Last updated: May 2, 2017 Currently, you can't use Outlook on Windows to edit calendars that are shared with your account, even if you've reconnected your account to Outlook.
We're currently investigating how to enable instant syncing in these situations.
When accepting a shared calendar, you might see an HTTP 500 error. If you see the error more than once, contact Support.
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If you have exported your Studio Cloud calendar to Outlook (see Export your Studio Cloud Calendar to Outlook 2007), you may want to change the refresh or update rate of the calendar.
You will be able to edit the calendar about four hours after accepting the invitation.
We're working on fixing this so that you can edit a shared calendar immediately after accepting the invitation.
If you can see the appointments in your shared calendars online then the issue is more than likely due to the cache on your Outlook needing refreshing, here are the steps to fix the problem: Please note.