It also included a new view focused on publishing layout, integrated bibliography management, and native support for the new Office Open XML format. Word 2008, released on January 15, 2008, included a Ribbon-like feature, called the Elements Gallery, that can be used to select page layouts and insert custom diagrams and images. Other features, such as tracking changes, were made more similar with Office for Windows. It included a new Notebook Layout view for taking notes either by typing or by voice. Word X, released in 2001, was the first version to run natively on, and required, Mac OS X, and introduced non-contiguous text selection. It was the last version to run on classic Mac OS and, on Mac OS X, it could only run within the Classic Environment. Word 2001, released in 2000, added a few new features, including the Office Clipboard, which allowed users to copy and paste multiple items. Users could choose the menus and keyboard shortcuts to be similar to either Word 97 for Windows or Word 5 for Mac OS. Document compatibility reached parity with Word 97, and it included features from Word 97 for Windows, including spell and grammar checking with squiggles. Its first version of Word, Word 98, was released with Office 98 Macintosh Edition. In 1997, Microsoft formed the Macintosh Business Unit as an independent group within Microsoft focused on writing software for Mac OS.
See also: Microsoft Office § Mac versions
