Comprehensive technical database for Microsoft Excel troubleshooting and productivity. Resolve complex formula errors, master advanced functions, and streamline your spreadsheet tasks with professional, data-driven documentation.
Your SUM formula returns zero even when your data range contains visible numbers. This often happens when Excel detects a potential error in your data, marked by a small green triangle in the cell’s corner. The green triangle indicates numbers stored as text, which the SUM function ignores. This article explains why text-formatted numbers break … Read more
Entering complex formulas in Excel can be error-prone if you forget the required arguments. The function tooltip is a built-in guide that appears as you type, showing the syntax and required inputs. This article explains how to use this interactive feature to build formulas correctly on the first try. Key Takeaways: Using the Excel Function … Read more
You see a #REF! error in your Excel worksheet after deleting rows or columns. This error appears because formulas that referenced the deleted cells can no longer find their data source. The #REF! error indicates a broken reference, which can break summary calculations and dashboards. This article explains why this happens and shows you how … Read more
The #N/A error appears in Excel when a formula cannot find a referenced value. This often happens with lookup functions like VLOOKUP or XLOOKUP. The IFERROR function provides a simple way to catch this and other errors. This article explains how to use IFERROR to replace #N/A with a zero, blank, or any custom text … Read more
Editing formulas in Excel often requires you to change the cells they reference. Manually typing new cell addresses is slow and prone to errors. Excel provides a mouse-driven method to adjust these references visually. This article explains how to drag cell borders to update your formula ranges quickly and accurately. Key Takeaways: Editing Formula References … Read more
Your AutoSUM formula stops calculating when it reaches a blank cell in a column or row. This happens because the AutoSUM function is designed to detect a continuous range of numbers. When it encounters a blank cell, it assumes the data block has ended. This article explains why this occurs and provides clear steps to … Read more
You may see two formulas that seem to give the same result in Excel. The addition operator =A1+B1 and the SUM function =SUM(A1,B1) both add numbers. While they often produce identical outputs, they behave differently in key situations. This article explains the technical distinctions and when to use each method. Key Takeaways: =A1+B1 vs. =SUM(A1,B1) … Read more
You need to track how many days remain before a project is due or a payment is late. Manually counting days on a calendar is slow and prone to error. Excel’s TODAY function provides a dynamic way to calculate this countdown automatically. This article shows you how to set up a formula that updates the … Read more
When building formulas in Excel, you often need to lock a cell reference so it does not change when you copy the formula. Manually typing the dollar signs for an absolute reference is slow and error-prone. Excel provides a keyboard shortcut to cycle through all reference types instantly. This article explains how to use the … Read more
When you need to audit a complex spreadsheet, tracing which cells feed into a formula can be time-consuming. Excel provides a built-in auditing feature to visually map these relationships instantly. This article explains how to use the double-click method to highlight all precedent cells that a formula depends on. Key Takeaways: Highlighting Formula Dependencies Double-click … Read more