Yeah, it might be easier for suggestion if we know more details and the end game plan.Are the wires gone?
Post a photo of the old box. The folks here will have all the answers specific to your situation.I need to replace the box because I want to add some 14-2 which will enter the bottom of the new box and extend to a new outlet. The old box has no bottom knockouts so I cant get the 14-2 'to it
I will then also reinstall the outlet in the new box
So where the original outlet was will continue to have an outlet but in a New box.
I have the original box somewhat loose but not free.
Thanks for the responses so far.
In my 2nd floor 1/2 bath I had to remove one like you described. I was lucky, it was nailed to the stud for the doorway. I did remove a trim piece temporarily. I'm not sure if the old box had knockouts on the bottom but if it didn't it was probably because all the wiring came from above. That and this is just a light switch.Many different types. The real old ones nailed to the face of the stud and are smaller. Those are usually set in wood lath and plaster. Using s Sawzall will destroy the plaster keys. They do come out though. I'm surprised there is no KO. Sometimes they are there but flush and a little dirt hides them. I have a way to get those out.