You need to have an Exchange Online mailbox associated with your Organization ID. Once you've been provisioned an Exchange Online mailbox, and you've signed into it one time, everything that Loop needs from Exchange Online can be set up the next time you try to use Loop. Work with your Microsoft 365 administrator or your help desk to ensure you have an active Exchange Online mailbox. Note: Microsoft Loop doesn't support external sharing for guests or external users; plans to build these features are in progress. Discover how administrators can access assistance for a Microsoft 365 Business subscription by reaching out to our support team.

You need to sign into outlook.com with your Microsoft Account. Once you've signed in one time, everything that Loop needs from Outlook can be set up the next time you try to use Loop. Loop components are currently supported in Teams, Outlook, Word for the web, and Whiteboard. Choose one of the links below to learn more: Want to ask or answer questions about Microsoft Loop? Chat with others who are using Loop? Visit the Microsoft Answers community for Microsoft Loop here! Note: While the Loop App is in Public Preview, customers in Japan or Korea will receive support in English.