ShareFile - Sending a secure attachment How to send an attachment securely through the Outlook ShareFile Add-In Create a New Email in Outlook > Select the ShareFile icon Select Convert Attachments if you already have a file attached to your email If you do not have a file attached, select Attach Files > From PC and browse to locate a file(s) on your machine. Once your attachment is converted or attached, it will show in your email as a secured link Your client will recieve an email and will be able to download after logging in