This is a product feature in Emercury Marketing Manager wherein a user has now the ability to export his suppression list. Exporting suppression list is very easy.
Click 'List' on the top of the panel and select 'Suppression' In your suppression list you may have one or more list listed. Choose the list you want to export by selecting the correct list and click 'Export List' . Exported file is done in CSV format with 2 fields: email and md5 version of email. Please note that export large suppression lists will take couple minutes.

