Excel University Blog

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Fixed Monthly Value Between Dates

By Jeff Lenning | January 21, 2025 |

Today, we’re tackling an interesting challenge: How to add a fixed value to the first day of each month between a start and end date. We’ll explore three approaches, ranging from detailed to concise, so you can choose the one that best suits your needs. Video Step-by-step Tutorial The task is straightforward: We’ll walk through…

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How to Find Invalid Characters

By Jeff Lenning | January 2, 2024 |

Welcome to this tutorial on how to find invalid characters in Microsoft Excel. In this tutorial, we will explore different methods including formulas and conditional formatting to detect and highlight characters you define as “invalid” in your Excel worksheets. Since you can easily customize the list of “invalid” characters, this approach is extremely flexible and…

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Woman sitting at a desk with a calculator after learning how to count cells containing specific text in Excel

How to Count Cells That Contain Specific Text

By Excel University | October 25, 2022 |

Have you ever wanted to see how many times a certain text string pops up in a set of data? While you can use Ctrl + F to find values, you may need a search feature that’s more discerning and responsive.  Luckily, there are several (much faster!) ways you can count cells that contain specific…

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