How to turn off "You should only open attachments" in Vista/Outlook 2007?

[Tom]

I don't want to be prompted "You should only open attachments from a
trustworthy source ..." warning in Outlook 2007 on Vista for certain file
tpes.

Unfortunately, the "Always ask before opening this file" checkbox is
disabled, so I cna not remove the checkmark on it.

Is there a way to enable the checkbox?

 

[Diane Poremsky [MVP]]

what file types? you can't turn it off for some attachment types.

 

[Tom]

what file types? you can't turn it off for some attachment types.

I don't want warnings from Outlook 2007 when trying to open Office 2007 and
2003 .doc, .docx, xls, xlsx, and .pdf files.

PS Also, if you know, is there a way to supress Outlook 2007's warning that
an attachment has changed?

 

[Jim @ AATI]

As Tom has requested, I would like to know the same thing...

I am running Windows Vista and Outlook 2007...

I don't want warnings from Outlook 2007 when trying to open Office 2007 and
2003 .doc, .docx, xls, xlsx, and .pdf files.

Thank you,

Jim

 

[Tom]

I found the solution. If you turn off UAC, the checkbox is enabled so you
can remove the checkmark. Then, if you wish, turn on UAC again.

 

[Tom]

I discovered that turning off UAC enables the checkboxes so you can remove
the checkmark.

If you wish, you can then turn on UAC again.