You need to configure Outlook Web Access to allow Microsoft Office documents to be opened but not saved on public computers

You need to configure Outlook Web Access to allow Microsoft Office documents to be opened but not saved on public computers. What should you do?

A.
Enable direct file access for public computers

B.
Enable Force WebReady Document Viewing when a converter is available for public computers

C.
Add the Office file formats to the supported document types for WebReady Document Viewing

D.
Add the Office file formats to the direct file access Block list