Excel COM add-ins can vanish from the Add-ins dialog box, leaving you unable to use critical tools. This usually happens due to a corrupted entry in the Windows Registry or a conflict with another program. This article explains why COM add-ins disappear and provides a direct method to restore them by editing the registry. Key … Read more
Excel’s built-in features are powerful, but you can add more tools to your workbook. Add-ins are small programs that integrate directly into Excel to provide new commands and functions. This article explains how to safely find, install, and manage these extensions to customize your spreadsheet experience. Key Takeaways: Installing and Managing Excel Add-ins File > … Read more
Excel’s AutoSave feature can unexpectedly turn off when working with files stored on OneDrive. This happens because of a conflict between the file’s sync status and Excel’s save mechanism. The file may appear to be offline or have a sync error, which disables the AutoSave toggle. This article explains how to restore AutoSave by resolving … Read more
You need to know which version of Excel is right for your work and budget. Excel for Web is a free, browser-based application, while Desktop Excel is a paid, full-featured program. This article explains the key differences in features, performance, and cost. You will learn which tasks require the desktop version and what you can … Read more
You need to know your Excel version for troubleshooting, installing add-ins, or confirming compatibility with other software. The version number and bit architecture are separate pieces of information stored in the application. This article shows you the exact steps to find your Excel version and determine if it is 32-bit or 64-bit. Key Takeaways: How … Read more
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