Outlook 2025 Share A Calendar Not Working. There are a few possible reasons why the shared calendars are not syncing correctly in outlook. When i hit the share calendar in my home calendar, absolutely nothing.
You may try to remove all the permission and wait for sometime then only using the outlook on the web to share the calendar with user b to assign the permission. If you’re using microsoft 365 and exchange online, see how to enable and disable the outlook calendar sharing updates.