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Multi-Tool Word

Microsoft Word
Microsoft Word 2013 logo.svg
Microsoft Office Word 2013 on Windows 8
Microsoft Office Word 2013 on Windows 8
Developer(s) Microsoft
Initial release October 25, 1983; 33 years ago (1983-10-25) (as Multi-Tool Word)
Stable release
1612 (Build 7668.2074) / January 31, 2017; 6 months ago (2017-01-31)
Operating system
Platform IA-32, x64, ARM
Type Word processor
License Trialware
Website products.office.com/word
Microsoft Word for Mac
Microsoft Word for Mac 2016 on OS X Yosemite
Microsoft Word for Mac 2016 on OS X Yosemite
Developer(s) Microsoft
Stable release
2016 (15.24.0) / July 12, 2016; 13 months ago (2016-07-12)
Operating system macOS
Type Word processor
License Proprietary software plus services
Website products.office.com/word

Microsoft Word is a word processor developed by Microsoft. It was first released on October 25, 1983 under the name Multi-Tool Word for Xenix systems. Subsequent versions were later written for several other platforms including IBM PCs running DOS (1983), Apple Macintosh running Classic Mac OS (1985), AT&T Unix PC (1985), Atari ST (1988), OS/2 (1989), Microsoft Windows (1989), SCO Unix (1994), and macOS (2001). Commercial versions of Word are licensed as a standalone product or as a component of Microsoft Office, Windows RT or the discontinued Microsoft Works suite. Microsoft Word Viewer and Office Online are freeware editions of Word with limited features.

In 1981, Microsoft hired Charles Simonyi, the primary developer of Bravo, the first GUI word processor, which was developed at Xerox PARC. Simonyi started work on a word processor called Multi-Tool Word and soon hired Richard Brodie, a former Xerox intern, who became the primary software engineer.

Microsoft announced Multi-Tool Word for Xenix and MS-DOS in 1983. Its name was soon simplified to Microsoft Word. Free demonstration copies of the application were bundled with the November 1983 issue of PC World, making it the first to be distributed on-disk with a magazine. That year Microsoft demonstrated Word running on Windows.


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