Tiffany Maleshefski at eWeek Labs is giving the Plugins the once-over-twice and she kindly put up the slides of her experience with Sun's faulty attempt.
Observe the trouble Sun Microsystems' engineers are having getting their ODF plugin to work in MS Office. See the presentations here...
Sun is having trouble because Microsoft is breaking interoperability deliberately through hi-jinks with the Dynamic-Link Libraries ("dll") in Windows.
From Sun's Malte Timmermann's blog...
Q: Why doesn't it support Office 2007?
A: Well, basically, it does, but there is an issue in Word's 2007 Filter API handling. You can save to ODF, but when you try to open ODF, Word ignores the installed filters and tries to open with it's own filters. Of course Word can't, so you get an error message "The Office Open XML file <name> cannot be opened because there are problems with the content". This even happens if you explicitly select the ODF filter! I hope Microsoft will fix this issue with the next service pack. If not, we will work around this bug by doing the same kind of integration like in PowerPoint and Excel.
As marbux says, "Welcome to dll Hell!"
Microsoft's Brian Jones innocently says 'Gee I can't imagine how that's happening?'
You're making me laugh, Microsoft.
You went to the DoJ for this behavior in Netscape. This is going to add to your fines in Europe. We know how you're doing it; we're going to tell on you.
If Brian Jones is obviously looking in the wrong place and can't grok what's happening it's because his head is buried in XML (within the files) and it's the Windows Department who are playing fast & loose with interoperability: the file-association behavior of Office 2007 was working for the OpenDocument Foundation's da Vinci Plugin with Office 2007 Beta and broke in the Final version (yes, we've known about this for about 6 months).
Y'all are some dirty mutherfuckers.
Give me your markets, or I'll take them from you.