Exporting an Attachment
All you need to do is to export as usual, just make sure to select the “attachment” object in the first step.
and that you select the field “body” in the second step (all other fields are information about the attachment, but the body is the attachment itself.
Once the task runs, you can download the attachments by clicking on the task manager on the link next to the export task. This will download all of the attachments compressed into a .zip file.