I have a database with 200,000 clients in Lotus Notes with a form call Enquiries, with these values: Name, Last Name and email and so; also I have a field in excel call Clients.xls with 2,000 rows with columns Name, Last Name and Email. I need to compare the clients in Excel with the ones in Lotus. I need to writte the result back to the excel file just with YES or NO in case the client exist. Does anyone can help me? please
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