Listening to a lot of customer feedback, the Office decided to add additional file formats to the current 20 in Microsoft Office 2007.
So from the first half of 2009 the following formats will be available:
I think this is great news which address a legitimate concern and allows organisations to select the best formats and tools they need for their activities.
If you are interested in more details you can check Jason Matusow’s blog (Jason is a Senior Director in our Interoperability team).
In the meantime I live you with this screenshot… can you spot the difference from the current version?