You can permanently save your all attachments to your local system or One Drive which you received in your email account. After saving at either location, you can remove the attachments from email account. You can then access attachments from the saved location.

1. To save attachment from received mail.
   
2. Right click on attachment and select “Save As”.
3. Select the location where you want to save the attachment – your local drive(s) or “Sky Drive”.
4. After saving, right-click again on the attachment and “Remove Attachment”.