Yes, you can temporarily unmute in a Teams meeting with a simple keyboard shortcut. Start by muting your microphone in a Teams meeting. From the meeting controls toolbar, click or tap the Mic icon to mute. When you need to speak, you press and hold down Ctrl+Spacebar for Windows or Option+Spacebar for macOS. Your mic is unmuted for as long as you hold. Upon releasing the keys, your mic will return its mute setting.