1- Click on Contact in the navigation bar
2- Once you are on the main Contact Page click on the email of the contact you want to send an email to
3- A new page will open containing a text builder
4- Click on "Add Attachments" icon on the left top corner of the text builder.
5- Drag and drop the file you want to attach or click on the white arrow in the blue cloud.
6- Choose the file you want to upload and hit "open"
7- The file will be attached to the email you are sending.