OneDrive Ribbon missing

OneDrive for Business is a SharePoint Library. OneDrive provisioning is also controlled in SharePoint admin center. By default, you may not see the Files, Library Ribbon. We can use simple trick to get the Ribbon back.



1. At the end of the URL, add "?ShowRibbon=true" as shown below.
    All.aspx?ShowRibbon=true

2. Click on the Gear Icon, as shown below and click on Ribbon, it will be On

   

Now you can see the Files, Library Ribbon.