Use Edge to initially open Facebook, but then Firefox to open all other links ??

[prepro001]

Preflight Checklist

• Microsoft Edge is selected in any "How do you want to open this?" box
• I've ran the Cleanup tool and tried another install

Install Type

New Install

Install Mode

Active Mode

ℹ Behavior

This is probably more a question of if it's possible....
I would like to use Edge to initially open Facebook, but then Firefox to open all other links ??
Including links inside Facebook on edge.
I have tried several combinations of settings etc, but can't seem to be able to get it to function this way??

Thanks.

Microsoft Windows version

24H2 26100.7462

MSEdgeRedirect version

0.8.0.0 (and tried 0.8.1.0)

Other Software

No response

[prepro001]

I actually meant Facebook Messenger. If that makes any difference?