This program is mandated by Section 5 of the Toxics Substances Control Act (TSCA). The New Chemicals Program functions as a gatekeeper which can identify conditions-up to and including a ban on production-to be placed on the use of a new chemical before it is entered into commerce.
Currently, the newest version is MS Word 2010. Same with all the other different MS applications (PowerPoint, Excel, etc.)
With the release of Word 6.0 in 1993, Microsoft again attempted to synchronize the version numbers and coordinate product naming across platforms, this time across DOS, Mac OS, and Windows (this was the last version of Word for DOS).