Yes. You can download your sheet as a Microsoft Excel or csv file and upload it to MOL Pro, or you can associate your sheet with a Google doc and mail it using the "Mail My Doc" Google Add On.
Information about the Mail My Doc order process can be found here.
To download your sheet, click File -> Download As -> and select .xlsx or .csv. Information about uploading your list to MOL Pro can be found here.
If you have any other questions, please contact Click2Mail Customer Support at 866-665-2787 or email@example.com. Our hours of operation are Monday - Friday, 9 AM to 8 PM Eastern.