If you are looking for the steps to protect a Microsoft® PowerPoint 2007 presentation file from being viewed on a Windows® Vista-based PC, all you need to do is just call iYogi at 1-877-524-9644 if you are calling from the US or Canada. But, in case, you are calling from the UK, call us on 0-800-635-0761 and our tech support team can give you the steps for doing just that. Take note that by protecting your presentations you can not only prevent any unauthorized access to it, but also keep the information private.
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