Protected View in Microsoft Office 2010 helps keep your Windows computer protected from potential security damage.
If you want to disable Protected View in Microsoft Office 2010, click on Files.
Next select Options.
This will open the document or Word Options.
In the left side you will see Trust Center. Click on it.
The Trust Center contains security & privacy settings, which help keep your computer secure & safe. It is advisable to not change them. But should you wish to disable the Protected view or data Execution Prevention mode, you can select your preferences here.
Do note that the Protected view opens potentially dangerous files, without any security prompts, in a restricted mode to help minimize=e harm to your Windows computer. By disabling Protected view you could be exposing your Windows PC to possible security threats.