If Excel is not highlighting cells in the formula, enable 'Allow editing directly in cells' and 'Enable fill handle and cell drag-and-drop' in Excel options.

Adding a text to a cell in Excel using Formula requires use of ampersand operator, CONCAT function, or the LEFT, RIGHT, and LEN functions.

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Avoid costly Excel errors! Learn the top 7 mistakes users make and how to fix them for better productivity and smarter workflows. MS Excel is ...

Instead, select the cell containing the formula, and double-click the fill handle rather than dragging it. In an instant, Excel duplicates the formula down the column until it reaches a blank row.