How do I merge 2 lists with different fields?

If you’d like to merge two lists that have different fields (when you try to merge a list created in the old version of Benchmark Email with a list created in the new version, for instance), you need to follow these steps: Go to the source list. Click on "Download Excel" and save the file on your computer. Click on "Add Contacts" from the Contacts Menu. Click on the "Import