The RTD function generates an Excel 4.0 macro warning when you open an Excel 2002 workbook in Excel 97
This article was previously published under Q288616 SYMPTOMS
When you open a Microsoft Excel 2002 workbook in Microsoft Excel 97, you receive the following warning message:
The workbook you are opening contains macros. Some macros may contain viruses that could be harmful to your computer.
When you click Disable Macros, you receive the following warning message:
If you are sure this workbook is from a trusted source, click 'Enable Macros'. If you are not sure and want to prevent any macros from running, click 'Disable Macros'.
This workbook contains a type of macro (Microsoft Excel version 4.0 macro) that cannot be disabled. There may be viruses in these macros. If you are sure this is from a trusted source, click Yes. Open the workbook? CAUSE
These messages occur when all of the following conditions are true:
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. MORE INFORMATION
The RTD (Real-Time Data) worksheet function is a new feature of Microsoft Excel 2002. To preserve this feature when earlier versions of Microsoft Excel open the file, Excel 2002 saves the function as a Future Record Type, which appears as a user-defined function in Microsoft Excel 97. Microsoft Excel 97 interprets this function as Excel 4.0 macro functionality, and displays the warning message described in the "Symptoms" section of this article.
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