The cause is the same with the Auto Complete/Auto Suggest getting empty in previous versions of Outlook; an add-in preventing Outlook from shutting down properly or even crashing it.
An example of an add-in which has caused a lot of issues is the “Outlook Change Notifier”. Note that this is just an example; other add-ins can cause the same issues as well.
Symptoms: Outlook 2016 is only pulling emails from subfolders. Solution: Check if the path to your Inbox is set in your Outlook 2016 settings. Tab: Advanced Option: Root folder path Setting this to “Inbox” will do the trick.
To set the root folder path for your IMAP account: File- Account Settings…
Information on the Focused Inbox in Outlook 2016 for Windows or Mac desktop is at Focused Inbox in Outlook desktop The Focused Inbox was first introduced in the Outlook app for smartphones and began rolling out to Outlook on the web in October 2016.
The emails in Inbox do not load into Outlook while all of the emails I have placed in folders do.
Can someone tell me what I need to do to get my new messages to load into Outlook Inbox.
Both these issues have been corrected with i Tunes version 10.1.0.56.
The original issue was caused by the Outlook Change Notifier add-in not letting Outlook to shut down gracefully anymore.