Updated FAQ

FAQ.md

@@ -4748,6 +4748,7 @@ The confusing Microsoft specific server error *User is authenticated but not con
 * The same account is configured in multiple email clients, also on other devices.
 * Multiple Outlook accounts are being used at the same time.
 * IMAP is disabled, which is the default for new Outlook accounts now
+* Push messages are enabled for too many folders: see [this FAQ](#faq23) for more information and a workaround
 
 To fix the latter:
 

index.html

@@ -2441,6 +2441,7 @@ $NotDisplayed</code></pre>
 <li>The same account is configured in multiple email clients, also on other devices.</li>
 <li>Multiple Outlook accounts are being used at the same time.</li>
 <li>IMAP is disabled, which is the default for new Outlook accounts now</li>
+<li>Push messages are enabled for too many folders: see <a href="#faq23">this FAQ</a> for more information and a workaround</li>
 </ul>
 <p>To fix the latter:</p>
 <ul>