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+# BigBlueButton
+
+To mute with keyboard:
+
+options menu (three vertical dots in the upper right hand corner).
+
+`Alt + Shift + M`
+
+
+```{note}
+  There's an [issue to float mute/unmute](https://github.com/bigbluebutton/bigbluebutton/issues/9947) which will be helpful when screensharing; until then using the shortcut is crucial.
+```