Outlook account not updating
In general, Outlook will automatically update the Offline Address Book (OAB) for Exchange accounts once every 24 hours.
This is not a perfect solution and I know of at least one issue: if someone accepts or declines the meeting after you delete the update, meeting tracking wont be updated. This method will work for all new meetings or to delete meetings when you don't want to send the cancellation notice.
Microsoft Outlook 2013 is the most recent version of Microsoft Outlook – a component of MS Office suite and the most preferred email client across the globe. This is the right way to set up your IMAP account in Outlook 2013.
This guide will show you how to fix i Phone calendar not syncing with i Cloud/Gmail/Outlook in i OS 12.
You can check the solutions to see if they are working for you.
They do for my colleague sitting next to me, so I don’t think it is a server misconfiguration or something like that.