Your company has an Office 365 E3 subscription. An Office 365 user installs the current version of Microsoft Office on a client computer. In the Office 365 Portal, you assign an Office license to the user. One month after installing Office, the user can only open and view Office documents on the client computer but can no longer edit or save the documents. You need to ensure that the user can save and edit documents on the client computer by using the Office desktop applications. What should you do?

A. Install the Office 365 Sign-in Assistant on the client computer.
B. Install the Office Customization Tool.
C. Upgrade the Office 365 subscription to E4.
D. Reinstall Office.

Correct Answer: A