Open the PowerPoint file you'd like to save as a template and make any changes to the slides that you need to. Click on the "File" menu when you are satisfied with the presentation's appearance.

Save Your Template Save your presentation as a template so you can use the same master slide in future presentations. Click "File," "Save As" and choose "PowerPoint Template" from the drop-down menu.

Learn how to use a Pre-designed Roadmap template or create a Roadmap from scratch using SmartArt Graphic in Microsoft PowerPoint.

You will see various Gantt chart templates to choose from. Select a Gantt chart template that you want to use and then click on the Create button.

VisualBee not only offers free PowerPoint templates, it can automatically design your presentations for you. One last resource: Slidevana provides over 150 truly beautiful slide templates.