Not a phrase you hear all that often.
I yipped "Yes!" extremely loudly, scaring all those around me, when I read this.
From Todd Bishop's Microsoft blog.
Microsoft says it will sponsor an open-source project to create tools for translating files between the OpenDocument Format, which arose from the OpenOffice.org program, and the Office Open XML format to be used in Microsoft Office.
Also see coverage from CNet.
Of course, we all know what happened when Microsoft decided to support Java. But it's a noteworthy move, nonetheless.