Here's a question that I was asked recently:
Geetesh, I hope it is OK if I ask you a question about PowerPoint. You seem like the expert that can help me. I have a Mac with PowerPoint 2004 installed on it. My daughter created a PowerPoint at school on a 2007 version and can't make it work on our 2004. Should we buy the new 2008 version of Microsoft Office for the Mac. If we do, is that compatible with the the 2007 version. I want her to be able to take her work from school and be able to work on it at home. What do you think? Thanks for your time.
I am guessing your daughter created a PowerPoint presentation in the new PPTX file format that is native to both PowerPoint 2007 for Windows and PowerPoint 2008 for the Mac. So, yes upgrading to PowerPoint 2008 on the Mac will allow you to open and save PPTX files that will let your daughter take her work from school to home, and back.
Alternatively, you can get the free Open XML File Format Converter for Mac that will let you open and save these PPTX files from within your existing PowerPoint 2004. This is a great solution if you just need to view the PPTX files in PowerPoint 2004. On the other hand if she needs to work on those files at home, and move them often between home and school, then I suggest you upgrade to PowerPoint 2008. Since she is a student, you can get the three-license version of the Microsoft Office 2008 Home & Student version for around $100.
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