1. Locate the file you need to share. Right click on the file and choose Share. If you do not see Share, you will see Move to OneDrive. Click to move your file to OneDrive so you can share.

2. In the pop up box, click Anyone with the link can edit under the Copy Link section. 

3. Uncheck the Allow editing box and click Apply. 

4. A pop up box with a link will appear. Click Copy. From here, you can go to Blackboard and paste the link in to your assignment.