Do you mean you are trying to access the DL from the Outlook Address Book?
What happens if you open this DL from your Contacts Folder?
DL's are not reliable. Many become corrupt after a while. Hardly any ever
survive a transfer of your Outlook data to another installation, for
example.
--
Russ Valentine
[MVP-Outlook]
"Michael Mause" wrote in message
...
A distribution list shows when I go to it in contacts.
But when I try to access it in the "To" field of a message
"The name has been deleted and it is no longer a valid entry"

Its now happened to me several times