You can create your own PowerPoint templates, which you can then open later and use. To create a PowerPoint template, create a new presentation and edit it however you like, and then save it as a ...
Have you ever seen a PowerPoint Design Idea that you like and would like to save it as a template because you want to use it again or share it with others? In PowerPoint, you can save the Design Idea ...
You can manually create a custom Gantt chart from scratch using the native Chart menu of PowerPoint. In its Chart menu, you can find several types of standard charts including line, bar, area, pie, ...