You can also try these related scripts:

• Outlook MailChecker - Checks for new mails arriving in owa and provides a desktop notification
• Outlook MailChecker 2 - Checks for new mails arriving in owa and provides a desktop notification. Works in most scenarios.
• Microsoft Edge Ad Blocker - This is blocker for Edge ads on Microsoft websites. DISCLAIMER! Author isn't affiliated with Google, Apple and other Microsoft haters. Suсk it! We all love Microsoft, but sometimes their pushes are a bit annoying
• Hide Email Address From Title Bar - Remove email address from title bar on Gmail, Outlook.com, Office365, and Yahoo Mail
• Microsoft Outlook Notifications - Creates browser notifications for the Web-based Outlook application. Useful in Linux (in Linux notifications do not work). Tested in Chrome 66.