When you create a dynamic array formula in Excel, the results spill into adjacent cells. If those cells are hidden by a filter, a collapsed group, or manual row/column hiding, the formula returns a #SPILL! error. This happens because Excel cannot write the spilled values into cells that are not visible on the screen. This … Read more
You wrote a FILTER formula expecting a list of matching records, but the result is the #CALC! error or a blank cell. This happens when the FILTER function cannot find any row that meets your logical test. The function is designed to return an empty array when no rows match, but that behavior can be … Read more
You add new rows of data to your source table, click Refresh on your PivotTable, and the new rows do not appear. This problem occurs because the PivotTable is still pointing to the old data range instead of the dynamic table name. This article explains why the refresh fails and provides the exact steps to … Read more
If you connect Excel Power Query to a data source such as SQL Server, SharePoint, or an OData feed, you may see a credential prompt every time you refresh a query. Your password or token works fine, but Power Query forgets the saved credentials after a few hours or by the next day. This problem … Read more
When you try to combine multiple files from a SharePoint folder using Power Query in Excel, the operation may fail with errors such as ‘Access to the resource is forbidden’ or ‘We couldn’t authenticate with SharePoint.’ This problem typically occurs because Power Query cannot establish a trusted connection to the SharePoint site due to incorrect … Read more
Your workbook opens slowly, scrolling lags, and every cell edit takes several seconds to register. The usual cause is excessive or poorly written conditional formatting rules that force Excel to recalculate thousands of conditions on every change. This article explains why conditional formatting drags down performance and gives you specific steps to find, clean, and … Read more
When you double-click an Excel file, Excel starts but shows a blank gray window instead of the workbook you expected. This problem usually occurs because the file association is broken, a corrupted add-in interferes with the loading process, or a DDE (Dynamic Data Exchange) setting is misconfigured. This article explains the root causes and provides … Read more
You try to save your Excel file, but a message appears saying “Document not saved.” This error usually means Excel cannot write the file to the disk location you specified. The problem often occurs due to file permission issues, a corrupted temporary file, or a conflict with a network drive. This article explains the root … Read more
Excel filters can stop working when your data range has formatting or structural problems. The most common causes are merged cells in the header row or blank rows within your data set. This article explains how to identify and fix these specific issues to restore your filter functionality. Key Takeaways: Fixing Excel Filter Problems Data … Read more
You need to move a row of data to a different spot in your Excel sheet. Manually cutting and pasting can be slow and risks losing data. Excel provides a direct method to drag and drop rows to a new location. This article explains the exact steps to move single or multiple rows using your … Read more