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GrayGray 

Is there a way to de-dup when mass loading contacts

I am loading 5,000 contacts from a spreadsheet and I know that some of these contacts already exist in the current organization. Do you know if there is any application that can be used to de-dup these contacts when I am mass loading rather than having to merge them one at a time?
 
Thanks!
GanuGanu

Try, Import Wizard for Accounts/Contacts, in that choose the option for updating the existing records....

 

-- Ganu
Derek LaneyDerek Laney
Check out PeopleImport on the AppExchange, its inexpensive scenario driven de-duplication import for Leads and Contacts from CRM Fusion.

http://www.salesforce.com/appexchange/detail_overview.jsp?id=a0330000002UvEeAAK

If your originating system publishes IDs check-out the External Id feature available through the API and the Data Loader.
http://blogs.salesforce.com/features/2006/03/appexchange_dat.html

For a small import you can do vlookups in excel with the excel connector
http://blogs.salesforce.com/features/2006/05/excel_connector.html