Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...

Have you ever tried to drag the header columns in an Excel spreadsheet to make them fit the text? I have and just when I think I’ve got it right, a quick glimpse down the line of columns usually ...

You know the routine: you click the little arrow on the column header, the massive dropdown menu appears, and suddenly you are looking at a long list of items, trying to figure out if you have already ...

Have you ever spent hours fine-tuning a Power Query workflow, only to have it break because a column name changed? It’s a frustratingly common scenario for anyone working with dynamic or external data ...