Open the Rich Content Editor using one of the Canvas features which support the Editor.
Insert your content into the Rich Content Editor. Place your cursor where you want to create a hyperlink.
Click the Microsoft Office 365 icon. If the icon does not display directly in the tool bar, the icon is included in the More External Tools drop-down menu.
Locate and click the file you want to link [1]. Click the Attach File button [2].
Click the Save button.
Note: When using the Rich Content Editor in Discussions, the Save button may appear as “Post Reply”.