How to Fix SUM Not Updating After Deleting Rows in Excel

Your SUM formula in Excel shows an incorrect total after you delete rows from your data. This happens because the formula’s cell references do not adjust automatically. The SUM function may still be trying to calculate cells that are now empty or contain different data. This article explains why this occurs and provides clear steps … Read more

How to Fix Excel Aggregation Errors Caused by Blank Rows in the Middle of a Table

Your SUM or AVERAGE formula returns an incorrect result, often zero, because of blank rows within your data range. This happens because Excel’s standard functions like SUM and AVERAGE stop calculating at the first completely empty row they encounter. This article explains why this error occurs and provides clear methods to ensure your calculations include … Read more

How to Fix Ctrl Key Not Working for Multi-Cell Selection in Excel

You press the Ctrl key to select multiple non-adjacent cells in Excel, but nothing happens. This prevents you from formatting, deleting, or analyzing separate data ranges at once. The problem is typically caused by a system-level setting or an Excel feature interfering with keyboard input. This article explains how to restore the Ctrl key’s function … Read more

How to Reset Accidental Shift-Selection of Wrong Ranges in Excel

You can accidentally select the wrong cell range in Excel by holding the Shift key while clicking. This happens because Shift extends the selection from the last active cell. The selection can become locked on an incorrect area, making normal navigation difficult. This article explains how to clear this stuck selection and regain control of … Read more

How to Choose the Right Excel File Format: xlsx xlsm and csv Explained

Choosing the wrong Excel file format can lead to lost features or compatibility errors. The main formats are XLSX, XLSM, and CSV, each designed for a specific purpose. This article explains the technical differences between these three common formats. You will learn which format to use for data sharing, macros, or simple lists. Key Takeaways: … Read more

How to Restore the Excel Right-Click Context Menu When It Stops Appearing

Your Excel right-click menu has disappeared, preventing you from quickly copying, pasting, or formatting cells. This problem is typically caused by a conflict with an add-in, a corrupted setting, or a temporary glitch in the application. This article explains the specific reasons the menu fails to appear and provides clear steps to get it working … Read more

How to Fix Excel Showing Column Numbers Instead of Letters by Disabling R1C1 Mode

Excel is showing numbers for column headers instead of the familiar A, B, C letters. This happens because the R1C1 reference style has been enabled. R1C1 mode uses row and column numbers for cell references. This article explains how to switch back to the standard A1 reference style. Key Takeaways: Restoring Standard Column Letters File … Read more

How to Display Day-of-Week Names in Local Language in Excel

Your Excel sheet may show day names like Monday or Tuesday in English, even when your system uses another language. This happens because Excel’s default date formatting uses the application’s language settings, not your Windows regional format. You can change this to display names like “Lundi” or “Mittwoch” to match your locale. This article explains … Read more