Insert a Screenshot
PowerPoint 2016 includes a tool on the Insert menu which allows you to add a screen shot from any other window that you currently have open.
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If you click on the option for 'Screen Clipping' you be given the option to click, drag and copy of particular section of a window . ..
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The tool also lets you add a hyperlink to any active web pages (so long as it's open in IE), which can then be accessed in presentation mode.