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Outlook: hide coach-mark tips

Removes the callouts and pop-up tips teaching new features that Outlook shows around the interface.

Code to copy

/* Hide coach-mark tips and feature teaching callouts */
div[role="dialog"][aria-label*="tip"],
div[data-app-section="Coachmark"],
div[class*="teachingCallout"] {
  display: none !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.