Short Version
Microsoft Teams users will soon be able to report security risks and concerns regarding external users in one-on-one chats, group chats, and meeting chats. Due early to mid-May 2025.
Details
After this rollout and if enabled in your organisation, you will be able to hover on a Teams chat message > select the three-dot menu > select Report message to report a message-related security concern when chatting or meeting with users outside of your organisation:
Shared channels are not currently supported.
This new feature appears to be off by default and will need to be enabled by your tenant administrator(s). They can read more here: User reported message settings in Teams – Microsoft Defender for Office 365 | Microsoft Learn and here: Manage submissions – Microsoft Defender for Office 365 | Microsoft Learn.
Availability
Due early to mid-May 2025.
Source, related links, and references
MC1037768.
365 Roadmap ID 481147.
Image(s): Microsoft.
Suggested action
Use one of the below Share this options to share with your network and colleagues, then see what else is new here.
Page originally published
25th March 2025 and kept up to date.
Are you an Update Insider yet? Get early access to the What’s new in Microsoft 365 and Copilot? roundup, have every full update (like this one) delivered immediately to your inbox and gain exclusive rights to share your questions and views on updates across the site. Sign up for a free trial, then just £5 per month. Slide Deck members can also download the latest Evergreen slides to use and present at work.
