If your file will not upload it is possible that the file contains some errors or is a malformed CSV.
An easy way to check if this is the case is by trying to upload a different CSV file. This can be achieved by using a file that you have used with us before, that worked, or by using some sample email address.
Sample email addresses:
You can also download this example list here.
If one of the methods above was successful then please see our article What is a CSV file? for further help.
If your file is reporting 0 emails upon upload then our CSV article What is a CSV file? will also be of use.
If a known, valid file such as our Example will not upload then please contact our support team using the contact form below.