Three things might help generate an answer to your issue:

1) Your version of Outlook
2) What steps you took to export
3) An explanation of what you mean by "an added SMTP suffix"

--
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx

"John" wrote in message ...
My e-mail addresses are showing up (for the first time) in Excel with an
added SMTP suffix that makes them unusable. How can I keep the e-mail
address pure?