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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: Creating Add-Ins.
Any Excel workbook can be converted to an add-in. The steps you need to follow to create an add-in are very precise, and may seem a bit overwhelming (particularly the first couple of times you do it). To create a protected add-in file, follow these steps:
Figure 1. The Protection tab of the project's Properties dialog box.
Figure 2. The Summary tab of the workbook's Properties dialog box.
ExcelTips is your source for cost-effective Microsoft Excel training. This tip (2927) 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: Creating Add-Ins.
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