Article ID: 2798998 - View products that this article applies to.
Not sure what release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade?
You have a Microsoft Office 365 subscription that includes Office Professional Plus or Office 365 ProPlus, and you have Microsoft Office installed. You expect Office to be activated based on the account that you used to sign in to Office 365. However, you're prompted to enter a product key.
To resolve this issue, install Office from the Office 365 portal (https://portal.microsoftonline.com
This issue occurs if you have an incorrect version of Office installed.
Still need help? Go to the Office 365 Community
Article ID: 2798998 - Last Review: October 28, 2013 - Revision: 6.0
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