Add New Customer Data Excel

I have an existing Excel customer database that I’m expanding. I’ll send you a plain text file that lists new customers’ names and contact details. Your task is to transfer this information into the workbook so it blends seamlessly with the current structure and formatting.

Please make sure each record is placed in the correct columns, apply the same data-validation rules already used in the sheet, and flag any duplicate entries you spot on the way.

Deliverables
• Updated Excel file with all new customer rows added
• A brief note summarising any duplicates or issues found

That’s all—straightforward data entry with a focus on accuracy and consistency.