To fix the long setup time for email on Outlook 2016, see the instructions below.
- Download the "Long Setup Outlook 2016 Fix.reg" file attached in this article.
- Open the file and click "Yes" to the confirmation dialogue box that appears.
- That's it, Outlook will now exponentially reduce the the time it takes to setup your new account!
Side Note: If you suspect that the fix did not work or has made Outlook unstable, download the "Long Setup Outlook 2016 Removal.reg" file attached to revert changes, and contact IT support.