1. Update your OS

First things first, be sure that your Apple device is running on the latest OS.

2. Make sure you’re signed in on iCloud

iCloud enables Apple Note’s collaboration and sharing feature

3. Make sure youre sharing with another Apple account

4. Check if you have enough iCloud storage

5. See if the note is password protected

You won’t be able to share locked notes across Apple devices.

6. Check if the note has drawings

If the notes you plan to collaborate with contain drawings made before iOS 13, you first need to update the drawings.