Or, How to Forcibly Sync Outlook SharePoint contents from Computer(PC) to OneDrive Cloud account?
Steps:
1. Go to Notification bar > Right Click on “OneDrive” Icon
2. Click on “Sync Now”
To Know, How to integrate OneDrive for Business With Outlook 2016, please see my another article:
how-to-integrate-onedrive-for-business-with-Outlook-2016