- Open your presentation and go to the slide where you want the dashed line.
- Open the "Insert" menu.
- Click "Shapes" then select the Line tool.
- Click and drag on the slide to draw a line.
- Select the line then click "Shape Outline."
- Go to "Dashes" menu.
- Choose "Dash".
- Choose a line weight or thickness.
How To Add Dashed Line In PowerPoint
Try this interactive demo to learn how to add dashed line in PowerPoint.
📌 Why this matters
Dashed lines help you create visual hierarchy without the harsh separation of solid borders. They're perfect for connecting related elements, showing optional pathways in flowcharts, or indicating temporary relationships between concepts. Beyond basic design, dashed lines signal "soft boundaries" to your audience—suggesting flexibility rather than rigid divisions. This makes them invaluable for process diagrams where you need to show suggested routes, preliminary ideas, or secondary connections. Your presentations will feel more sophisticated when you use dashed elements to guide attention subtly rather than demanding it.
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