How to create a Custom Audience from a .csv file

What kind of data can I upload?

You can upload emails or Telephone numbers.

How should I format them?

- emails: you have to upload a list of email, one per line, no heading. You need to remove leading or ending whitespace and convert all characters to lowercase.

example:
emaill1@something.com
2ndperson@somethingelse.it
another@one.dk

- telephone numbers: you have to upload a list of numbers, one per line, no heading. You need to remove symbols, letters, and any leading zeroes

example:
15559876543
39023456798
17023456789 

What are the file type supported?

Your file must be a .CSV  file (can be created with Excel) with a single column of data and no heading.

Where do I go in AdEspresso to create it?

Just navigate to the "Tools" page, then "Asset Manager" and click to create a new Custom Audience by clicking on the "New Asset" button on the right hand side of the page. Then select "Custom Audience" and you'll be able to choose to create a Custom Audience from data file:

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How many people can be in a CA?

There isn't a limit. You can keep adding people to your CA with multiple uploads.

How many people can I add with a single upload?

10k people. Bigger file will return an error during the upload. 

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