In his keynote address at PC Expo, Microsoft Corp chairman and chief executive Bill Gates announced that the Microsoft Visual Basic programming system, Applications Edition, will be integrated in Excel 5.0 and the Project 4.0: both are scheduled to ship in the autumn: he said that Visual Basic will become the common macro language in future versions of applications for the Windows and Macintosh operating systems in Microsoft Office and other Microsoft applications; a common macro language for applications and Object Linking and Embedding 2.0 are both important elements in Microsoft’s vision and strategies for applications programmability, giving customers the ability to integrate applications, automate tasks and create custom applications, he said; Microsoft continue to support investment in the existing macro languages so that Excel 5.0 will also provide new enhancements to the Microsoft Excel Macro Language and enable users to continue to run their existing Excel Macro macros.