@pernia@cum.salon @dcc@annihilation.social @p@fsebugoutzone.org @pwm@pl.absolutelyproprietary.org @syzygy@pl.absolutelyproprietary.org the short answer, in my experience, is that you don't. You can't magically just tell a drive "you're XYZ format now" and it has readable data after. Migrate your data elsewhere, convert to new format, migrate back. Sucks to suck, but it's a mistake you only make once