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For best results, we highly recommend using a headset microphone connected to the device running PowerPoint. Also, the feature requires a reliable internet connection throughout your presentation. Requires Windows 10, and PowerPoint for Microsoft Office 365 version. The feature isn't supported if you're using an earlier version of Windows.
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If you are unable to install Office 365 on your PC, you can use the web version of PowerPoint 365 which also provides live captioning.
How to use Powerpoint for the Web:
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