I want to use non-PowerPoint files?

PowerPoint Specifications and Recommendations

webinar.net requires a PowerPoint file to be uploaded to a webinar. If you are using another program to create your webinar presentation, refer to the instructions below for exporting the file to PowerPoint:

Google Slides (a.k.a. Presentations) 

• Log in to your Google Drive account.
• Select 'Presentations' to view available presentations in your account.
• Double click on the presentation file you want to convert to PowerPoint.
• Go to the menu at the top then click on File > Download As > Microsoft PowerPoint (.pptx).
• Depending on your browser, you should be able to access your newly-converted PowerPoint file straight away.

How to use Google Slides with webinar.net?

Keynote (Mac)

• Open the presentation and select "File" > "Export To".
• Choose "PowerPoint" in the list of export options.
• Click "Advanced Options"
• Select Format: .ppt (PowerPoint 1997-2003 compatible) 
• Click "Next" and enter a name for the presentation.
• To choose where to save the presentation, click the Where pop-up menu, choose a location, then
• Click "Export".

 PDF

• Open a file in Acrobat.
• Click on the "Export PDF" tool in the right pane.
• Choose "Microsoft PowerPoint" as your export format.
• Click "Export".
• Name the PowerPoint file and save it in the desired location. 

 Prez

• From Edit Mode, select the Share icon from the top menu. Then select "Download as a PDF".
• When is ready, you will be prompted to save your Prezi as a PDF file.
• After selecting "Save PDF", you will be prompted to name the PDF and choose where to save it. On
• both Windows and Mac, the default folder is "Downloads."
• Once created, refer to the instructions above for converting the PDF to PowerPoint