Free Calendar 2013 PowerPoint template is a simple but useful calendar for presentations in PowerPoint that you can copy and paste in your own presentations or use it as a stand-alone calendar for your office. You can print this calendar in a portrait format and use it in your office. This free PPT template calendar in PowerPoint is compatible with Microsoft PowerPoint 2007 and 2010. Calendar template for PowerPoint is also useful for presentations on schedule or if you need to present events in a timeline.