As of now, no PowerPoint version supports text highlighting as a feature you can add to selected text. And, before we explore a workaround to overcome this limitation, let’s look into the necessities of highlighting text. If you want to emphasize some important words within your slide, then highlighting indeed helps. However, PowerPoint doesn’t have a ready-made tool to highlight text as there is in Microsoft Word – but you can use Word’s text highlight as a workaround!
Learn how to highlight text in PowerPoint 2010 for Windows.

