If you want to stop pop up notifications from programs like Outlook, Dropbox and others, use the steps below.
Use Slack for notifications and alerts regarding issues, environments, deployment, etc. In the Whether it’s Slack or Gmail alerts that are your weakness, take back control by stopping distracting push notifications appearing on your home screen. To be honest, I lost count by about 11am as it was very clear
Alternatively, you can select a channel or group chat, then click the information icon beside the name.