Page Comparison

...

1. On the Custom Lists page, click Import at the top Action bar.
2. To import a new list, select the Import New List radial button.
3. To import a custom list,  enter a name for your custom list (List Name). This is a required field. Ensure that you use a unique name for each list. Save your list in comma separated values (.csv) format. 
   
   To download a sample CSV file, click on the sample_custom_list_import.csv file, below. 
   

...

1. View file
   name sample_custom_list_import.csv height 250

   
   

4. To import your list, you can either drag the CSV file into the “Drag file here” space or click Select file and navigate to the file to upload it. Note that you must include the required field domain in the header of the file to ensure a successful import. 
5. Click Import to import the file.

...