Microsoft Corp has launched its largest reseller promotional campaign yet, a $7m 60-day programme dubbed upgrade your world, which it says will reach at about 28m customers: the promotion will include an unprecedented purchase of US national print and broadcast advertising and direct mail, offering a no-cost version upgrade to each customer that spends a minimum of $350 on Microsoft software between April 1 and May 31, and is coupled with promotional sale prices of $570 against the usual $750 on Microsoft Office for Windows and users of Excel, Word or PowerPoint can receive an additional $50 rebate from Microsoft until July 15; MS-DOS 6 will be offered at a promotional price until May 31 and the upgrade to Windows 3.1 will also be on sale from now until April 30.
