Yes you can download attachments – either from the Email Backups page or the Attachments Manager page.
Following is an outline of the steps:
Downloading an Attachment While Viewing an Email
1) Open the email with the attachment
2) Scroll down to the bottom of the email where the attachment is located
3) Click on the attachment
4) Attachment is downloaded to your machine
Downloading an Attachment from Attachments Manager
1) Locate the attachment (if required use the search feature)
2) Click on the attachment
3) Attachment is downloaded to your machine