This is really good news since most documents that circulate now use one of these formats. The new document formats usher in an emphasized importance on document standards (although Microsoft still isn't willing to move over to the OpenDocument formats). pptx, among others), compatibility between Mac and Windows versions has been excellent. Since the introduction of the Open Office XML document formats (namely. Let's take a look at how Office for Mac it compares to its Windows cousin, among other OS X office suites. There have traditionally been both good and bad differences between the Windows and Mac versions, so we were wondering if this was still true today. Did you know that Microsoft Office was released for Mac before Windows PCs? This now-ubiquitous software has been around since 1989, and is still going strong today as one of the most popular choices for an office suite.