Best Practices for Office 365 Teams

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Use the Teams application rather than accessing this tool via a web browser. When the application is running, if there is any activity on the Team, the application will notify you whereas accessing Teams via a web browser only shows you the activity if you're logged into the site. There are separate apps for Windows, Mac OS X, iOS, Android and Windows phone.
Use the private chat function if you only want to exchange information with one team member. This helps eliminate the excess reading for other members of the team.
Set your notifications so you only get notified of Team information in the way that best fits your work style. Click your photo in the bottom left corner, then click Notifications. Adjust the settings as desired.
View this link for more information about Office 365 Team