XL2000: Cannot Open Workbook That Contains XLM Macros When Macro Security Is Set to High

When you attempt to open your file, you receive the following error message: The file does not open.

This problem occurs when the following conditions are true:

• Your workbook contains Excel 4.0 (XLM) macros.
  
  -and-
  
  
• The macro security level of Excel has been set to High.

To resolve this problem, you can add a key to the registry that allows Excel to run XLM macros when the macro security level is set to High. To do this, follow these steps:

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

1. Click Start, and then click Run. In the Open box, type regedit. Click OK.
2. In the left pane, click the plus signs (+) to the left of the following items (in order):
   HKEY_LOCAL_MACHINE
   Software
   Microsoft
   Office
   9.0
   Excel
3. On the Edit menu, point to New, and then click Key.
4. Type Security, and then press ENTER.
5. On the Edit menu, point to New, and then click DWORD Value.
6. Type XLM, and then press ENTER.
7. Double-click XLM.
8. Type 1 in the Value box, and then click OK.
9. On the Registry menu, click Exit.

After you add the XLM key to the registry, XLM macros cannot be disabled. The following sections discuss the behavior of Excel after you have added the XLM key to the registry:

The Workbook Contains XLM Code

When you open a workbook that contains XLM macro code, you are prompted with the following message: If you click Enable Macros, the workbook opens and the XLM macros are available to run. If you click Disable Macros, you receive the following message: If you click Yes, the workbook opens and the XLM macros are available to run. If you click No, the workbook is not opened.

The Workbook Contains XLM Code and Visual Basic for Applications Code

When you open a workbook that contains both XLM code and Visual Basic code, you may receive the following message: If you click Yes, the workbook opens and the XLM macros are available to run. If you click No, the workbook is not opened. Visual Basic macros are not enabled.