Import
Where available, the Import option imports existing information from a comma-separated values (.csv) file:
After you select the file to import, click Preview to view the records included in the file. To enable duplicate checking, which prevents creation of duplicate records, select the Enable Duplicate Checking check box and specify the fields to use as duplicate cross- references:
Once you have imported a file, the program displays a message showing the number of records created and the number of records skipped as duplicates: