HTML "Round-tripping" to repair corruption

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PowerPoint 2000 and later has the ability to "round trip" -- that is, to save to HTML then reopen the HTML as a new PowerPoint presentation.

This has an interesting and very useful side effect: it can clean out junk in the PPT file that you can't get rid of any other way.

That's why you may hear people suggest that you save as HTML and bring that back into PowerPoint as one possible way of repairing problem files.

How-To
Simply doing an HTML save from PowerPoint may not get the job done. There are a few settings you need to make first.

Luckily, PowerPoint MVP Glen Millar has written this thorough tutorial.

For a little more automatic approach, you can use the free PPTools StarterSet add-in. Install it, open your presentation, then hold down the Control key while you click the Help (?) button on the Starter Set toolbar. Starter Set will automatically "roundtrip" your presentation for you.

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