unable to attach files
Hello
Since last night I am trying to attach a document file from excel into my school Bentley Brightspace But it won't let me. Everytime I pressed upload nothing showed up. Now I am trying to submit the assignment through microsoft 365 email and send it to my professor. Again, when I pressed attach, and browse computer nothing showed up. Please help ASAP. I need to submit this assignment asap please.
MacBook Air 13″, OS X 10.10