Looking for help converting a .brd file to .alg

[JCGarm]

Hi, I am looking to convert an .brd file for use in Altium for a student project. I tried using the method on the Altium website but it did not work. The link for reference is posted below.
https://techdocs.altium.com/display/ADOH/Moving+to+Altium+Designer+from+Cadence+Allegro+PCB+Editor

Any help with this would be appreciated.

Thank.