I have recreated this situation but not done any debugging.
NVDA 2018.1
Outlook 365
Windows 7 enterprise
Open Outlook.
Open a message and read it with numpad-+
Switch back to Inbox listing with alt-tab
Switch to calendar tab with control-2
At this point Outlook stops responding. I won’t be able to look at this further today, but besides simplifying down to not opening a message, what other actions do I need to do before submitting a ticket?
How do I turn on debug log as I know that will be useful. Are additional details about versions required?