Excel User-Defined Function Blocked by Security Warning: How to Enable Custom Functions

Excel blocks user-defined functions with a security warning to protect your computer. This happens when you open a workbook containing custom VBA code. The warning prevents potentially harmful macros from running automatically. This article explains why the warning appears and how to safely enable your custom functions. Key Takeaways: Enabling User-Defined Functions Macro Security Settings: … Read more

Excel Personal Macro Workbook PERSONAL.XLSB Not Loading: How to Recover It

Your Personal Macro Workbook, PERSONAL.XLSB, is not loading when you start Excel. This file stores your global macros and is meant to open automatically in the background. The problem is often caused by a corrupted file, a blocked location, or a disabled add-in. This article explains how to find, repair, and restore your personal macros. … Read more

Excel Ctrl+Z Undo Not Working: Why Macros and Low Memory Clear Undo History

You press Ctrl+Z in Excel, but nothing happens. The Undo command is grayed out, and your recent actions cannot be reversed. This problem typically occurs because the Undo history has been cleared. The two most common causes are running a macro or Excel operating with low system memory. This article explains why these events wipe … Read more

Excel Macros Stopped Working After VBScript Deprecation: Fix for Version 2508

Your Excel macros may have suddenly stopped running after a recent update. This is caused by Microsoft deprecating the legacy VBScript engine in Windows. The change affects macros that rely on VBScript for certain automation tasks. This article explains the technical cause and provides steps to restore macro functionality. You will learn how to re-enable … Read more

Excel Macro Blocked: How to Add a Trusted Location and Enable Macros

Excel blocks macros by default to protect your computer from potentially harmful code. This security feature prevents files with macros from running until you explicitly trust them. You will see a security warning bar when opening a file containing macros. This article explains how to safely store macro files in a trusted location so they … Read more