I think it depends on the application. FastMail&#x27;s Notes, for instance, depends on which version of Notes you use. 
<a href="https:&#x2F;&#x2F;www.fastmail.com&#x2F;help&#x2F;notes&#x2F;usage.html" rel="nofollow">https:&#x2F;&#x2F;www.fastmail.com&#x2F;help&#x2F;notes&#x2F;usage.html</a>