I am having problems opening some 2007/2003 excel files and especially closing them. They are opening in protected mode with macros disabled.and I can't save them at all.
I am told the following,
This error occurs when you open a Microsoft Office file type blocked by File Block settings in the Trust Center. To enable this file type, do the following:
Click the File tab.
Under Help, click Options.
Click Trust Center, and then click Trust Center Settings.
In the Trust Center, click File Block Settings.
To save documents with this file type, disable the registry policy setting. For more information, see Microsoft Knowledge Base article 922850.
I have downloaded the administrative templates but have no idea what to install how to install or how to change the registry settings.
Please help