Your Excel add-ins disappear or show as disabled each time you restart the application. This happens because a specific Windows registry key is corrupted or has incorrect permissions. The registry controls which add-ins Excel is allowed to load. This article explains how to locate and fix the problematic registry entry to permanently resolve the issue. … Read more
You open an Excel workbook and see strange prefixes like _xlfn. before function names. This happens when a file uses newer functions but is opened in an older Excel version. The _xlfn. prefix indicates a compatibility error. This article explains why this occurs and how to fix it. Key Takeaways: Fixing the _xlfn. Prefix Error … Read more
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 may take an unusually long time to open a second workbook after the first one loads. This specific slowdown occurs in the Microsoft 365 Version 2402 update. A background process related to file validation gets stuck, causing the delay. This article explains the cause and provides a permanent fix for the issue. Key Takeaways: … Read more
You cannot select the legacy Shared Workbook feature because it is greyed out in your Excel menu. This happens because Microsoft has replaced the old feature with modern co-authoring. Your file is likely stored in a cloud location like OneDrive or SharePoint, which automatically enables the new system. This article explains why the option is … Read more
Excel may stop responding on Windows 11, freezing your work and preventing you from saving. This is often caused by conflicts with add-ins, outdated software, or system resource issues. This article provides clear steps to diagnose and resolve the ‘Not Responding’ error in Microsoft Excel. Key Takeaways: Fixing Excel Not Responding Safe Mode for Excel: … Read more