You cannot import directly into a DL, only a Contacts Folder.
Provide the steps you are using and exact error message so someone familiar
with importing from Excel can assist you.

Signature
Russ Valentine
[MVP-Outlook]
>I have some data in Excel (1200 records) containing FirstName, LastName,
> Email address. I want to create an Outlook distribution list, but an error
> keeps coming up when trying to import the file. A problem with the Excel
> translator. Can anyone help?