Give meeting organizers the ability to force mute audio/video for all attendees in the meeting options page. Attendees should not be able to un-mute their audio/video with this option set.

Teams currently uses a custom notification which can't be controlled, and it breaks in tiling window managers such as Sway or i3. (Steals focus and position is always on the middle of the screen.)

Referred from

https://techcommunity.microsoft.com/t5/Teams-Developer/Teams-for-Linux-does-not-use-Freedesktop-dbus-notifications/m-p/1070215

With other platforms, you can ask participants to vote and or answer polling questions during the meeting/event. I would like to see functionality such as that available in Teams Live Events (and actually in regular meetings too).

Please use the background blur feature on iPhone

It would be great that Teams could implement a real-time translation for conversations in a meeting and captioning feature like the Presentation Translator add-in for PowerPoint. This feature would be useful to have a Teams meeting with users in other countries.

Ability to localise dates - In at least AU and UK we use DD/MM - its becomes confusing quickly when half the dates are in local and the other half are in US format

Please allow the ability to "Meet Now" on mobile. Desktop version on PC has that capability, but Android and iOS apps do not.

Add Microsoft To Do into Teams via Tab or connector. I can add WunderList but not To Do

Allow me to use my language, 24 h clock and similar
Plus it could proof read my chats accordingly

During a Teams Live Event we can either take the TeamClients or a RTMP encoder as streaming source. It would be great to gain the ability to add SIP-endpoints or Skype Room system too.
Being able to stream from any SIP device is the missing puzzle piece in an already great interrop solution.
Imaging being able to use any video conferences room as Broadcast studio?

I`m sure this would empower the Interrop soloution offer by Polycom, Pexip and BlueJeans a lot.

Currently the only workaround is to use RTMP, but the workflow is to bad for the enduser.

Teams icon pinned in taskbar doesn't blink orange anymore when I receive new messages. I cannot find an option to turn this. Was this removed?

Having presence delays of up to 4 minutes makes presence largely useless. Having to resort back to typing 'are you free now' after calls, because I can't tell if they are still in the meeting, or have started another meeting or call. Or trying to call somebody and get rejected and a message saying "I'm in a call"

Support call controls for popular 3rd party headsets (handup, mute) like Plantronics 740-M or Jabra.

When a PSTN user calls you on Microsoft Teams, if the number is in the address book I would like to be presented with the users name on the toast, not just the PSTN number. The same for call history or anywhere else a PSTN number appears in the client

It seems that recently Teams starting converting space characters to non breaking space characters. The text with non breaking spaces doesn't work the same, e.g. a search query that not fails.

Currently, when I receive a message, a preview of this message is displayed in the notification toast. As we will be using Teams at work, it would be great for privacy if I had the option to turn off these previews, so the notification toast will just say "New Message from XY"

During meetings we need to be able to share an online video with team members. Videos could be in Stream or Youtube or Vimeo or others. And this includes sharing the video sound. Currently we use normal Teams screen sharing, but all team members on the call can either hear or see, the video/audio are always asynchronous.