What are file types can PowerPoint 2013 save the presentation to? Can I save my presentation in PDF format?

Yes, you can save your presentation in PowerPoint 2013 in PDF format.

Click "File > Save As" menu, select a folder, then open "Save as type" dropdown list. You will see the full list of files types (formats) that PowerPoint 2013 can save the presentation to:

• PowerPoint Presentation (*.pptx).
• PowerPoint Macro-Enabled Presentation (*.pptm).
• PowerPoint 97-2003 Presentation (*.ppt).
• PDF (*.pdf).
• XPS Document (*.xps).
• PowerPoint Template (*.potx).
• PowerPoint Macro-Enabled Template (*.potm).
• PowerPoint 97-2003 Template (*.pot).
• Office Theme(*.thmx).
• PowerPoint Show (*.ppsx).
• PowerPoint Macro-Enabled Show (*.ppsm).
• PowerPoint 97-2003 Show (*.pps).
• PowerPoint Add-In (*.ppam).
• PowerPoint 97-2003 Add-In (*.ppa).
• PowerPoint XML Presentation (*.xml).
• MPEG-4 Video (*.mp4).
• Windows Media Video (*.wmv).
• GIF Graphics Interchange Format (*.gif).
• JPEG File Interchange Format (*.jpg).
• PNG Portable Network Graphics (*.png).
• TIFF Tag Image File Format (*.tif).
• Device Independent Bitmap (*.bmp).
• Windows Metafile (*.wmf).
• Enhanced Windows Metafile (*.emf).
• Outline/RTF (*.rtf).
• PowerPoint Picture Presentation (*.pptx).
• Strict Open XML Presentation (*.pptx).
• OpenDocument Presentation (*.odp).

⇒ File Types Opened by PowerPoint 2013

⇐ Starting PowerPoint 2013 from Command Line

⇑ Questions on Microsoft PowerPoint 2013

⇑⇑ MS PowerPoint - Frequently Asked Questions