MC1288530 - Microsoft Teams: Test microphone and speaker before joining a meeting

Updated June 5, 2026: We have updated the timeline. Thank you for your patience. 

Introduction 

Microsoft Teams will introduce the ability for users to test their microphone and speaker before joining a meeting. This improvement helps users confirm that they have selected the correct audio devices, reducing audio issues and helping meetings start on time with fewer disruptions.

This message is associated with Microsoft 365 Roadmap ID 560074.

When this will happen

• Targeted Release: Rollout will begin in early May 2026 and is expected to complete by mid-May 2026.
• General Availability (Worldwide): Rollout will begin in mid-May 2026 and is expected to complete by late MayJune 2026(previously late May).
• General Availability (GCC, GCC High, and DoD): Rollout will begin in mid-Maylate June 2026 (previously mid-May) and is expected to complete bymid-MayJuly 2026(previously mid-May).

How this affects your organization

Who is affected

All Microsoft Teams users across Microsoft 365 tenants, including Commercial, GCC, GCC High, and DoD environments.

What will happen

• Before joining a meeting, users will see a Test mic and speaker option on the pre‑join screen:

   

• Users will be able to record and play back a short audio clip to confirm that their microphone and speaker work correctly: 

  

• The feature will be enabled by default and won’t require admin configuration.
• This change does not modify meeting audio settings or policies. 

What you can do to prepare

• Admins don’t need to take any action.
• Consider updating internal documentation or notifying helpdesk staff about the new pre‑join audio experience.

Compliance considerations

Microsoft identified no compliance considerations. Review this change as appropriate for your organization.