Start Outlook 2016 shared mailbox not updating

Outlook 2016 shared mailbox not updating

They don’t exist in the on-premises space but in hybrid deployments, Office 365 Groups can be synchronized back to on-premises Active Directory via the AADConnect tool, where they function as distribution groups.

If you are making use of shared calendars in Outlook 2016 you may find that not all appointments are showing in the calendar or are disappearing.

Typically this happens when running Outlook 2016 in cached mode with exchange or Office 365.

This first came to light when a new PC was provisioned for this employee and they logged into Outlook.