If you have Microsoft Office 2010 installed and view a Word, Excel or PowerPoint on a web page (such as our email), by default the document will open in ‘Protected View’, meaning you can not print it, save it, or edit it.
Assuming you want to do something with the document other than look at it, you need to disable ‘Protected Mode’. To do so…
1) Choose ‘Options’ from the ‘File’ menu.
2) Choose ‘Trust Center’ from the menu on the left
3) Press the ‘Trust Center Settings…’ button.
4) UNCHECK ‘Enable Protected View for files originating from the Internet’, ‘Enable Protected View for files located in potentially unsafe locations’, and ‘Enable Protected View for Outlook attachments’.