Thank you for reaching out to the Community! I'm sorry to hear you are having issues with matching up your contact columns. Here are the steps for uploading a file of your contacts and matching the columns. If you are having issues selecting the drop down to match the field names, it could possibly be the browser you are using. You can click here for a list of the browsers compatible with our system.
If you continue to experience issues, please email us at social_support(at)constantcontact(dot)com with your username, the file you are trying to upload, and a reference to this post and we will investigate further!
Taryn Leinweber Community & Social Media Support
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