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What is a CSV file?

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Written by Team MailBlue
Updated this week

In order to upload your contacts to your MailBlue account, you need to save the file containing your contact information as a CSV file first. This ensures that the contact details are saved as plain text, without formatting and formulas.

Good to know: You can recognise a CSV file by the '.csv' extension. For example, a standard Excel file is saved as '.xlsx'.

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