I'm not sure on addresses, company names, yes. phones, only if they all use
the same number. At the very least you can export to excel and make the
changes then import - but before doing that, create a custom view that
groups by the field to be changed and drag contacts from the old group to
the new. (need to change 1 first, so there is a group

)
--
Diane Poremsky [MVP - Outlook]
Outlook Tips by email:
(e-mail address removed)
EMO - a weekly newsletter about Outlook and Exchange:
(e-mail address removed)
You can access this newsgroup by visiting
http://www.microsoft.com/office/community/en-us/default.mspx or point your
newsreader to msnews.microsoft.com.