My 2013 trashcan recently had its SSD filled up to the max (likely from BOINC data.) So far diskutil cannot initialize or clone the drive. It gives error 69620. There’s certain data from the home folder I’d like to recover if I can.

Does anyone have any suggestions on how I can pull this data to another drive?

Currently I have an NVMe drive installing macOS to it, which should do much better with space (1tb to replace the stock 256gb) but I’m not sure if there’s a way to mount the full drive after installing the NVMe+adapter into the Mac. Any suggestions would be greatly appreciated.