How to change Outlook on the Web's notification sound on Mac
Toggle a single new-mail chime in the browser.
The honest answer: Outlook on the Web only gives you basic on/off controls. Your real options are the macOS-level method below, or Chirpy if you want per-notification customization.
In Outlook on the Web
Head to Settings → Notifications inside Outlook on the Web — the sound options live there, and you can turn them off. That stops Outlook on the Web's own audio, but macOS will still play its default sound on top — see the universal approach below to silence that too.
Universal approach — mute at the macOS level
macOS lets you silence any app's sound without disabling its notifications. The full visual walkthrough lives on the universal macOS method page. The short version:
- Open System Settings → Notifications.
- Scroll to Outlook on the Web in the application list and click it.
- Turn off Play sound for notifications.
- Outlook on the Web keeps showing banners and badges — just no audio.
How Chirpy fills the gap
With Chirpy you can give Outlook on the Web's notifications a sound that matches their importance. For example: a quiet chime for routine updates, a louder bell for mentions, silence for the rest. All triggered by keywords in the notification text — no plugin, no API access required.
Want sounds that actually mean something?
Chirpy adds rule-based custom sounds on top of macOS notifications. One sound for Outlook on the Web mentions, another for your calendar, silence for the rest.