Connecticut State Colleges & Universities
IT Support Center

Microsoft Teams and O365 Groups

Office365 has many ways to collaborate. Microsoft Teams and Office365 Groups are just two of the features available and until recently O365 Groups were recommended for small team collaboration. At this time, we are now promoting the use of Microsoft Teams to collaborate within small teams of users. More features are available in a Microsoft Team including messaging!

Read our FAQ Standards Quick link to Naming Standard


August 2020: An activity-based expiration policy was implemented on non-compliant O365 Groups/Teams. Managed Teams and compliant O365 Groups do not have the expiration policy applied. Owners of any O365 Group that have the activity-based expiration policy applied to it and does not have activity within the past 6 months, will receive notifications that their O365 Group needs to be renewed or it will be deleted. They will receive warnings 30, 15, and 1 day before their team is deleted. They will receive final warnings the day it is deleted and after it is deleted. Refer to the Teams FAQ for more information on the activity-based expiration policy.

Need to ramp up quickly on using Microsoft Teams? Check out these resources:

Office365 Group Features

  • Shared Inbox - For email conversations between your members.
  • Shared Calendar - For scheduling events related to the group
  • SharePoint Document Library - A central place for the group to store and share files with checkin/checkout and version history capabilities.
  • Shared OneNote Notebook - For gathering ideas, research, and information
  • SharePoint Team Site - A central repository for information, links and content relating to your group
  • Planner - For assigning and managing project tasks among your group members
  • Each of these features are automatically created when an Office365 Group is created and are accessible using already familiar products like Office 2016 (Outlook, OneNote, etc) from your desktop, from a web browser using OWA or using a mobile app.
  • Files can be synced to your desktop for easy file access using the OneDrive for Business client.

Microsoft Team Features

  • A Microsoft Team is a "chat based workplace" built on top of an Office365 Group. So you get all the functionality of a group plus features like messaging, screen sharing and support for meetings.
  • Microsoft Teams allows you to organize your files, communication and meetings by topic by creating "channels". Each channel gets a unique email address, calendar, file location, OneNote notebook section, etc.
  • Team members must use the Microsoft Team app in order to get full functionality from a Microsoft Team.


  • Microsoft Teams and O365 Groups will soon need to be renewed every 6 months or else they will be deleted. 30 days after deletion, they will be unrecoverable. Owners will receive email notification when they need to renew their group.
  • All Microsoft Teams and O365 Groups need to comply with the Office365 Standards including:
    • not storing DCL3 data; and
    • using the naming standard when creating a group/team