Outlook 2016 oab not updating in cached mode
The time it will take for the index to be rebuilt depends on the system you are using, the amount of files that need to be indexed, and file size.
When your index has finished rebuilding, you can go ahead and restart your Outlook searches.
Hello Exchange Experts, I have one user whose mailbox was created about a week ago that is not showing up in the global address list in Outlook.
There have been a few updates for Outlook 2016 released since we wrote this article.
So, even if you’re using the new Outlook 2016, you will eventually run into some issues.