Your secure message has one or more attachments. These attachments could be any file format from office documents, PDF’s and text files to video or image files, including many other formats not supported by regular email. We also support file sizes up to 5 GB. To view or retrieve the attachments look in the ‘Secure Files’ section of your Delivery Slip. Microsoft Outlook® Delivery Slip Add-in Users To view or retrieve the attachments look in the ‘Secure Files’ section of your Delivery Slip. Web App Users To view or retrieve the attachments look in the ‘Secure Files’ section of your Delivery Slip by clicking on the link in the email notification message.