You can upload Excel files with up to 300,000 rows. For larger datasets, please use our CSV file upload. We support .xlsx files with a single sheet. If you upload a file with more than one sheet, only the first will be processed. The first row in your sheet must contain the column names. The file must contain at least one column with first names, the country column is optional. For reasons of data protection, uploaded files will be automatically deleted after one year. Download sample file here. Example:
Excel Example

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