Read Only Notes - Edit Protection

Hi waddle2012,

welcome to the Apple (user-to-user) Community!

Re: "Aside from locking a note,

is there a way to make the note protected from accidental editing by making it Read Only?"

Sorry. I do not know whether there is a way to make a note "Read Only" or not.

In the Notes app, you can open a note in the Pages app and continue working.

You can also export the note as a PDF or print the note.

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Re: "Are locked notes viewable while locked?"

Yes and No!

Yes: Seems you first set a password, or use Face ID, touch ID so that you can view locked notes.

No: If you forget the password, there does not seem to be any way to view the locked note without it.

(You can reset your custom password, but this doesn’t give you access to previously locked notes.)

Apple's articles:

From Apple support: How to: Lock or unlock notes on your iPhone or iPad - Apple Support

For iOS 17, (or choose correct iOS at the top of article): Lock your notes on iPhone - Apple Support

All the best :-)