Last Updated: June 26, 2019
After updating to Current Channel Version 1905 (Build 11629.20196) and higher, Outlook may hang at loading profile or won't start. You may notice that if you open Task Manager that other Office processes are unexpectedly listed even though you did not open the application. If you end those processes it may enable Outlook to then open normally.
On June 25th, 2019, the Outlook Team made a change to the service to fix this issue. If you are still seeing this issue, restart Outlook a couple of times so it can pick up the service change.
To work around the issue, you will need to end all Office processes that are running and disable the presence features.
Ending processes in Task Manager
Right click on any space of the Taskbar and select Task Manager.
Under the Processes tab, locate all Office processes.
Select an Office process and then choose End task. Repeat this for each Office process listed.
Disable Outlook presence features
In Outlook, select File, > Options, > People
Uncheck the check boxes for the following options if they are enabled:
Display online status next to name
Show user photographs when available
Select OK and then restart Outlook
Note: Disabling the presence functionality will help mitigate the issue. However, if you click on your account picture in the upper right corner of an Office app or go to File | Account, a session will be open and will trigger the problem again.
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