The Windows Clock will quiet all notifications on your desktop.
Windows Clock
Time blocking, or calendar blocking, is a scheduling format that allows you to divide your day into specific blocks of time. Set a time block for as little as 15 minutes or as much as a few hours to complete specific tasks, including breaks.
Four steps to time blocking:
TIPS:
More info: https://www.howtogeek.com/855433/why-you-should-use-time-blocking-to-manage-your-tasks/
The easiest way to turn off notifications is to work offline or completely close out any apps you aren't using. This will eliminate notifications that interrupt focus time. If you can't close out your applications because you're actively using them, try "Do Not Disturb". This is helpful when you are in a meeting, presenting, or need focus time.
The Focused Inbox in Outlook will automatically divide your email messages into two groups. The focused group should be emails that need attention while the "Other" group usually includes newsletters and less urgent content.