Is there any function (filter?) to find/select unneeded extra accidentals?
Define “unneeded”! You could:
- Select All.
- Edit > Filter > Notes and Chords.
(3. Edit > Filter > Deselect Only then Edit > Filter > Tuplets. This will be necessary if your flow contains any tuplets.)
- Switch off the “Accidental” property. This will reset all accidentals to defaults.
If you don’t like the defaults, go to Notation Options > Accidentals and change them.
Unneeded as in one you accidentally toggled by hand… e.g. a C# (with no preceding Cnat or Cflat) in A Major.
I assumed correctly, in that case. That’s precisely what the steps above do