In the instructions for backing up from ATX, what does "Be sure to rollover all client files from the prior year program" mean?  Of course the 2020 returns have been rolled over from 2019!  Surely it doesn't mean rollover 2020 ATX files to a 2021 ATX program from which the backup can go ahead?

ALSO, can the ATX files be backed up to a flash drive then transported to a different system on which Pro Series is installed?  We've been unable to do that but ATX and Pro Series are on two separate, un-networked PCs (Win 10 64 bit).  Is there a workaround or must both ATX and Pro Series 'share' the same C:/ drive?

MASSIVE thanks for any help.