Please be advised that there is a known compatibility issue with the recently released Safari 11.1 for Mac OSX and Blackboard. Students and instructors who attempt to upload files using Safari 11.1 will receive an error.
Blackboard support is aware of this issue and is working to correct. Until this problem is resolved, we strongly recommend using another compliant, up to date browser such as Chrome or Firefox. To ensure compatibility, you may use Blackboard’s Browser Checker.