The last step here is to right click your account name and choose 'Check all subfolder.' Click OK when done. All mail on Exchange is delivered immediately. The message will automatically be moved to your inbox. If there are messages that shouldn't have been marked as junk, right-click each email and then choose Mark as not junk.
In your folder list, choose the Junk Email folder and look for the missing email.Outlook 2016 not syncing all folders: Using Outlook: 1: Jun 28, 2016: M: Outlook 2016 - Mail Not Syncing With iPhone Outlook App: Using Outlook: 1: Mar 30, 2016: B: Syncing Office 365 folders to match Outlook 2013: Using Outlook: 3: Nov 5, 2015: J: Outlook 2013 Syncing contacts with Android phone - vs Outlook apps: Using.