How do I merge a distribution list into another?

Merging lists together can be done by exporting the first list, and uploading it into the second list. The steps for this are as follows:

Exporting a Distribution List

1. Click on the title of the list that you want to merge into another.
   
   
2. Click Options >> Export all 'X number' of contacts.
   
   
3. The file will automatically download, and then you can find it in the Downloads folder.
   
   

Uploading the exported file to the new Distribution List

1. Click Contacts >> Import Contacts >> Import from CSV File
   
   
2. Click  then click  and select the file you downloaded.
   
   
3. Map your contacts (for more on that process, check out this article)
   
   
4. On STEP 3 of the contact import process, select the "Keep CSV contacts" option
   
   
5. On STEP 4, click  to select the distribution list that you are merging INTO
   
   
6. Click

Let us know if you have any questions!