While they won't go as far as IBM and Apple Computer have, Microsoft and Digital Equipment are cozying up. On Nov. 18, the computer maker and the software giant are expected to unveil important new software for Microsoft's popular Windows graphics system, say sources close to both companies.

Specifically, DEC is expected to introduce a Windows version of its All-in-1 office software, which combines electronic mail, graphics, word processing, and calendar programs. In addition, DEC plans to incorporate Windows into its latest high-powered personal computers. Overall, the deal should strengthen both companies against IBM.

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