1. PowerPoint presentation (PPT or PPTX)

This file type, created by Microsoft, is a popular way to share and upload presentations and slideshows. If your company using PowerPoint software, you may use the file type to save your slideshows. This file type helps you create and share visual presentations with your team members or clients. For example, you may share a PPT file with your team members after a meeting so they can refer to the slides and notes.

2. Open document presentation (ODP)

The ODP file format works with OpenOffice programs. If your organization uses this software program, you may share a presentation in this file format. You can create and share slideshows with text, graphics and animations.

3. Apple Keynote file (KEY)

The KEY file format works with Apple's Keynote program, where professionals can create and share visual presentations. You may add text slides, images, sounds and transition elements in this file format. You may choose to use this file type if your company, team members or clients use this software, or if you're sharing a presentation directly from your computer and you have this program installed.