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Please Note: This article is written for users of the following Microsoft Excel versions: 97, 2000, 2002, and 2003. If you are using a later version (Excel 2007 or later), this tip may not work for you. For a version of this tip written specifically for later versions of Excel, click here: Protecting Worksheets from Deletion.
Chris has a workbook composed of two control worksheets that contain setup data. The workbook's user runs macros that create many new worksheets in the workbook. The user then deletes any unwanted worksheets. Chris wants to make sure that the two control worksheets aren't deleted by mistake.
This can be accomplished, to some extent, by protecting the structure of the workbook, as described in other ExcelTips. This protects the workbook structure from being changed, such that the user can't add or delete worksheets. Since you want the user able to add and delete worksheets, you'd need to make two changes to how the workbook is used:
Another approach is to create duplicates of the control sheets in the workbook. Make these worksheets hidden, which protects them to a degree. Your macros could then check to see if the non-hidden control sheets were deleted. If they were, then the macro could create another control sheet by copying the hidden version of the control sheets.
Still another approach is to modify the macro that currently adds a bunch of worksheets to the workbook. The modification would create a "backup" workbook that contains the controls sheets. Later, before closing the workbook, a macro can be invoked that checks for the control sheets. If they are not present, then the macro copies them from the backup workbook. If they are present, then the backup workbook can be deleted.
ExcelTips is your source for cost-effective Microsoft Excel training. This tip (3267) applies to Microsoft Excel 97, 2000, 2002, and 2003. You can find a version of this tip for the ribbon interface of Excel (Excel 2007 and later) here: Protecting Worksheets from Deletion.
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