Microsoft is investigating several issues causing email synchronization and connection problems when using the classic Outlook desktop client.
Make sure your preferred Outlook calendar is the one checked when you look here: Settings > Apps > Calendar > Default Calendar. Check the chosen calendar in the Calendar app. You may have been saving ...
The issue was brought to light by Google earlier this month, though according to some Gmail and Outlook users the syncing issue first started in July 2009, just a month after Google launched Sync for ...