The Office Open XML (OOXML) format may not have gotten ISO’s final blessing as an open standard yet, but Microsoft is finalizing plans to release a software development kit for it anyway.
Microsoft plans to put out the final beta of the OOXML SDK next month, and release Version 1.0 in May, according to Doug Mahugh, a technical evangelist at Microsoft. The final SDK beta and related information will be available at,, and
The SDK will enable developers to write applications that can open, read and otherwise work with OOXML documents, or port existing applications that work with documents in older Microsoft formats over to OOXML, Mahugh said. Moreover, the SDK will "put Microsoft on the hook to keep your app in line with the OOXML standard" as it changes, he said. 

Full story: InfoWorld