2FA on Outlook 2016

Hi,

Reference to prior post.

I already enabled "modern authentication" for Outlook in Exchange Online by using PowerShell command, after that Outlook works for 2FA, but when I closed the Outlook and re-open it again, Outlook will not ask me to enter the code, however, webmail still works for 2FA, but for the Outlook, I don't know what is going on.

Jason