Start by logging into Blackbird: https://cloud.blackbird.video/login

Press the upload icon which is indicated by the arrow pointing to the cloud:

This will bring you to a webpage where you can upload media including AAFs. Press the "Choose files" option at the bottom and browse to your AAF on your computer:

Select the AAF and press "open" which will begin the upload into Blackbird:

When this has completed, you will be able to see the AAF within the Blackbird "files" menu within the editor: 

If you're still having trouble please contact us at support@blackbird.video and one of our Support staff will then contact you with suggestions on how to resolve this issue.