Gartner Research

Assessing the Impact of Microsoft Teams Becoming as Common as Outlook

Published: 11 December 2019

ID: G00451163

Analyst(s): Mark Cortner, Patrick Borka, Larry Cannell


Microsoft Teams addresses six distinct use cases, even though companies often focus on only one of them. This document advises application technical professionals on how to get the most value out of Teams and analyzes Teams’ impact on the rest of Office 365.

Table Of Contents


  • Microsoft Teams’ Use Cases: Beyond Chat and SharePoint
    • Group Messaging and Document Collaboration Take Place in Team Channels
    • Peer-to-Peer Chat Provides Simple Messaging and a OneDrive Client
    • Teams as a Skype for Business Online Replacement for Meetings and Calling
    • Workstream Apps Help Create Purposeful Team Workspaces
  • How Teams Depends On and Impacts Other Office 365 Products and Services
    • Membership Management and Access Control: Office 365 Groups
    • Security and Compliance: Azure AD P1, Office 365 E5 and PowerShell
    • How Teams Impacts Messaging in Outlook/Exchange and Yammer
    • How Teams Integrates With Planner and Microsoft Stream
  • Strengths
    • Collaboration Strengths
    • Administration Strengths
  • Weaknesses
    • Collaboration Weaknesses
    • Administration Weaknesses


  • Deploy Team Channels to Garner the Most Value From Teams
  • Determine Your Office 365 Groups Strategy
  • Approach the Use of Workstream Apps in Teams as an IT Architectural Decision

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