B.B is on the money with this solution to your problem, you need to disable it in the language bar to go back to normal typing. The languae bar allows you to speech write in other applications besides just word, for example it will also work in I.E. To disable it in word you need to uncheck the tick in Tools/Speech . To disable it system wide you will need to disable it in the language bar. You can access the Language bar through right clicking on your toolbar and selecting toolbars/language bar

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