2FA NOW REQUIRED: Twilio is requiring two-factor authentication (2FA) as an additional layer of protection for all paying Twilio customers. For more details, see our 2FA Setup Guide.

Unable to Upload Contacts via a CSV file

The most common issue we see with uploading contacts via CSV file is an error with the content of the file. We frequently see values in files separated by a semicolon ; - rather than the correct comma ,. Even in files with proper formatting (CSV), the software used to create the file or different regional/language options, could produce a file with values separated by semicolons.

If your CSV file doesn't upload as anticipated, we recommend checking the file in a text editor to make sure it's not using semicolons for separating values. 

  1. Open with your preferred text editor.
  2. Use the Find and Replace option to search for ;.
  3. Replace all semicolons with ,.
  4. Save the file as a .csv.
Have more questions? Submit a request