How to build a project timeline in Excel (and when to move beyond it)
I've built more Excel timelines than I care to admit. They always started the same way: a clean spreadsheet, a few task rows, some color-coded cells, and the quiet confidence that this one would actually stay up to date. It never did. This guide walks you through exactly how to build a project timeline in Excel, covering three methods from detailed Gantt charts to quick milestone visuals. I'll also share the signals I've learned to watch for that tell you it's time to move beyond spreadsheets altogether.