At the TEC 2023 conference in Atlanta, Greg Taylor (Microsoft) analyzed the four-year project he led to remove basic authentication from Exchange Online. Microsoft will reuse the methods and tools developed for this project when it removes other features from Microsoft 365.
A beta version of a Graph API to delete Teams chat threads allows administrators to remove unwanted chats. This article reviews how the API requests work to delete, list, and undo deleted chat threads using cmdlets from the Microsoft Graph PowerShell SDK. The first step is to find chats to remove, so we wrote a script to report all the chat threads for the signed-in user.