Transform legacy spreadsheets into maintainable, automated tools that scale and survive the test of time.

Track key cells across sheets and workbooks without switching tabs, keeping your most important data always in view.

It may be a surprise to learn that you can define names of cells in Microsoft Excel instead of using the letter and number combinations. This makes it friendlier to read and understand. For example, ...

Have you ever spent hours perfecting your Excel spreadsheet, only to watch your carefully crafted formatting fall apart the moment you insert a new row? It’s a maddeningly common issue for Excel users ...

Microsoft has announced that it will start disabling external workbook links to blocked file types by default between October 2025 and July 2026. After the rollout ...

Have you ever found yourself in a chaotic Excel workbook, where multiple people are editing the same cells, accidentally overwriting each other’s work, or making unintended changes? It’s frustrating, ...

The default method for including a column reference in an Excel formula is to use the column letter, a convention that may make it difficult to interpret the parts of complex formulas. Microsoft ...

Slicers provide an intuitive, user-friendly interface for filtering data in a spreadsheet. Here’s how to create slicers, format them, and use them to filter data in Excel. Spreadsheets’ greatest ...

I am Opening excel using base64 using this snippet. var options = { sheetNamesToInsert: [], // Insert all the worksheets from the source workbook. positionType: Excel.WorksheetPositionType.end }; // ...

Placing spreadsheet data into a table quickly formats it and makes it easy to work with and analyze. Here’s how to use this basic yet powerful Excel tool. Tables are one of the fundamental tools in ...

The point of this single web page is to be a one-stop shop. The links below point to the various ways that I use or have used Excel to teach Economics, including my summer Excel teaching workshop. My ...

You’ve spent hours working on an Excel workbook on a MacBook, but now it’s gone. Or, when you exit an Excel file, you unintentionally select “Don’t Save”. Is this to say that your entire effort has ...