You can add a document from Microsoft OneDrive to a Lesson, Rubric Assessment, or your Bookshelf.
Step 1 (Lesson): Select the + Add Resource option when adding a new activity.
Step 1 (Bookshelf): Select the + button and choose Resource.
Step 1 (Rubric): Select Choose File under the Attachments section.
Step 2: Choose the Microsoft OneDrive option, then select Get OneDrive Resources.
Step 3: When you select the OneDrive icon, you'll be taken to your OneDrive, where you can select the file you wish to attach, and select Open.
Step 4: Verify the name of the attachment, then click Save.
You have now added a resource that can be opened by your students. Any student who is logged into a Microsoft account will be able to view the docs.