(These are the creds that you would log into Office 365 with.)
This will bring up the Office Sign-In Assistant dialog box you’ll want to type in the credentials for the user that you’re trying to license Office for. 'C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\OSAUI.exe /K' 'C:\Program Files\Common Files\Microsoft Shared\OFFICE14\OSAUI.exe /K' : Open a Command Prompt as an administrator, and then copy/paste or type in one of the following commands below – quotations included – for whatever your corresponding versions of Windows and Office are, and then press enter.
The easiest way to fix this is to simply “remind” Office which user is licensed to use it. Often times, this piece of software gets confused and “breaks” Office, leaving you with a program that’s stuck in reduced functionality mode – indicated by a red bar across the top of the app. It uses a software liaison that will frequently reach out to Microsoft’s servers to validate that your copy of Office is legitimate for use. One of the things to remember is that when you leverage an Office 365 software-eligible subscription, it does not license your local copy of Office with a product key. In this tech tip, we’re going to cover how to deal with the “Unlicensed Product” error / red title bar that you might occasionally see in Office 2010 or Office 2013 when you are licensing against an Office 365 subscription.
