Hello @FirstNameL50510. I'm sorry that some of your contacts did not have email addresses imported. It's possible that your file had multiple columns with email addresses and only one column was selected to import. I would suggest seeing if this is the case and if it is, you can reupload the file with the next column of email addresses selected. If you have any further questions, you can email us at social_support(at)constantcontact(dot)com with a reference to this post and the file that you had attempted to upload.
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