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Why is my Customer Data upload failing?

Learn more about Customer Data Import

Lari Lehtonen avatar
Written by Lari Lehtonen
Updated over 5 years ago

When you upload a file to Nosto to bring your own customer data, it must respect a CSV UTF-8 - comma separated format and the maximum size per file is 25MB.

Some of the most frequently seen data formatting errors include:

You can find all information on how to correctly format your .CSV file here.

Additional resources 

As additional resources, we recommend you to respect the following guidelines to create a CSV file from scratch: https://www.wikihow.com/Create-a-CSV-File

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