To Add Attachments to your Sessions:
Down at the Modules + Sessions section, click the Expand button to access your sessions then click the session title.
Scroll down to the Attachments/Resources section and click the Add New Attachment button.
Give your attachment a title and description then click the upload icon inside the box below and select the file you want to add as an attachment. Click Save
Note: Once your done, click the Update Session button at the bottom.
The size limit for each attachment is 40mb and formats acceptable are pdf, doc, docx, html, htm, xls, xlsx, odt, ods, odp, ppt, pptx, txt, rtf, zip, key, mp3, jpg, jpeg, png, gif, tif.