Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, 2013, 2016, 2019, and 2021. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Changing Error Checking Rules.
Written by Allen Wyatt (last updated October 9, 2021)
This tip applies to Excel 2007, 2010, 2013, 2016, 2019, and 2021
When Excel does background checking of your worksheet for errors, it follows a set number of rules. You can modify the rules that Excel follows through these steps:

Figure 1. The Formulas options of the Excel Options dialog box.
ExcelTips is your source for cost-effective Microsoft Excel training. This tip (6221) applies to Microsoft Excel 2007, 2010, 2013, 2016, 2019, and 2021. You can find a version of this tip for the older menu interface of Excel here: Changing Error Checking Rules.
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