Email One-Time Passcodes for Azure Active Directory

Microsoft has launched email one-time passcodes (OTP) into preview for Azure Active Directory guest accounts. It’s all to do with better collaboration. OTP doesn’t support Teams, Planner, or Office 365 Groups yet, but it can be used to share documents from SharePoint Online or OneDrive for Business.

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Managing Office 365 Guest Users

How many guest users does your Office 365 tenant have? And how many of those accounts are actually used? Given that many Office 365 applications now generate guest user accounts to facilitate external access to content, managing these accounts is a growing concern.

Enabling Access to Teams for Guest Users with PowerShell

During transitions, things sometimes don’t go so smoothly. Such is the case if you want to enable or disable guest user access to Teams and find that the setting to control the access is no longer available in the Office 365 Admin Center. But PowerShell can control the setting, so that’s the solution to the problem.

Stopping Guest Users Getting Into Classified Office 365 Groups and Teams

This Petri.com article tells you how to set a policy on confidential Office 365 Groups to stop owners being able to add guest users to the group (or team).