Export your contacts to a csv-files and then import them again is one way to
do it as it will recreate your contacts. Don't forget to make a backup first
before starting to delete them.
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
-----
"RoaringLambs" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I have been researching a problem with sending emails and have come to the
> conclusion that it is a problem with the contacts.
>
>
> Some contacts have email addresses that have "Send using Outlook Rich Text
> Format" and others have "let Outlook Decide the best sending format".
>
> Only email addresses that have "let outlook decide" send correctly.
> (Others have a "winmail.dat" file attached).
>
> So...
>
> I have 1000+ email addresses. How can I make sure that they all send
> using "let outlook decide"?
>
> Please help me as I cannot see checking all of these 1000.
>
> And for the life of me, I have no idea how some of these got selected as
> "Outlook Rich Text Format" in the first place.
>
> PLEASE HELP!
>
> Thanks!
>
> /CL