Subscribers 

If you already have a list of customer email addresses, you can simply add them to your list with multiple upload options. 

Setup | Adding Subscribers

1. Click on the 'List' tab, then click on the list you want to add subscribers to.
2. Once inside your list overview, simply click on the 'Tools' 
3. On the 'List Tools' page, you have three options. 'Import', 'Export' and 'Copy'. Please press the 'Import' Button.
4. Here you have 3 options for uploading your customer email list. You can upload via 'CSV', 'Text' or 'Database'.
5. Chose your format, (Most common type is CSV file upload), select the file or location and press 'Upload File'. 
6. Now all your customer email addresses will be located in your list ready to be contacted with your message.