Sorry, I don't have Visio installed on my system where Office 2007 is
installed, but what if you choose Paste Special instead of just a regular
paste? Does that give you any better options? (You can shortcut Paste
Special now! Ctrl+Alt+V)
Re the 2002 Visio objects crashing PPT -- that sounds really nasty. I'll
pass it along (since I'm not set up to test it here).

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Echo [MS PPT MVP] http://www.echosvoice.com
What's new in PPT 2007? http://www.echosvoice.com/2007.htm
Fixing PowerPoint Annoyances http://www.oreilly.com/catalog/powerpointannoy/
>I really hope I'm missing something, but it seems like the PowerPoint 2007
> developers really blew it when it comes to integration with Visio 2007.
[quoted text clipped - 27 lines]
> above. However, in presentation mode, the Visio 2002 objects display
> correctly and PowerPoint doesn't crash.
Echo S - 08 Jun 2007 16:50 GMT
To follow up here, it seems that Visio objects are an OfficeArt 1.0
application but PPT uses a newer OfficeArt format, so the objects get
converted into a different format when they're pasted -- but that format
isn't terribly flexible.
Hopefully Visio will be more compatible in future versions.
I'm hearing they can't repro the crash, though, so it may be something
machine-specific. I'd probably look to printer drivers and video drivers.
Maybe try turning down hardware acceleration (How to set graphics hardware
acceleration back http://www.pptfaq.com/FAQ00129.htm ). Can you boot into
Safe Mode and see if it happens then, too?

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Echo [MS PPT MVP] http://www.echosvoice.com
What's new in PPT 2007? http://www.echosvoice.com/2007.htm
Fixing PowerPoint Annoyances http://www.oreilly.com/catalog/powerpointannoy/
> Sorry, I don't have Visio installed on my system where Office 2007 is
> installed, but what if you choose Paste Special instead of just a regular
[quoted text clipped - 37 lines]
>> above. However, in presentation mode, the Visio 2002 objects display
>> correctly and PowerPoint doesn't crash.