Microsoft is calling IBM out over its opposition to Office Open XML, saying it is attempting to create a movement to prevent ISO standardization of the format.
In an open letter posted to its Web site, Microsoft claims IBM is trying to limit choice by pushing the OpenDocument format, which it is a strong supporter of, while attempting to block Microsoft"s attempts at standardizing its own format.
IBM has called on Microsoft frequently to standardize formats, as well as make its intellectual property widely available. Microsoft says it has done so, and claims IBM"s own actions with OOXML are hypocritical.
"This campaign to stop even the consideration of Open XML in ISO/IEC JTC1 is a blatant attempt to use the standards process to limit choice in the marketplace for ulterior commercial motives," the company said in its letter.