Restore from yesterday's backup of your .pst file, which holds all your Outlook data? You may want to rename the existing file so that it is not overwritten when you restore the backup.

--
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

"Ronsabala" wrote in message ...
I have outlook 2003 and just installed creating contact information in
"contacts". I also sync some information from another program (Goldmine) and
have wiped out my original contact information. I do a daily differential
backup of files and folders. Isthere a way to restore the contact data I had
yesterday?
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Ron Sabala