Your decks can be downloaded as PPT, PDF and HTML offline files. These files can be used for printing and offline presenting or sharing.
To request an export, from your dashboard home page just hover over the presentation and look for the Ellipsis button (three little dots) and select Export. This can also be done from the Editor, by going to the "File" option in the upper settings menu bar.
These are the available download options:
This export format allows to present while being offline, keeping transition animations. Once you request it, a .zip file will be downloaded. Open it and expand the folder to find the HTML file within. This will open your presentation in your default browser. Remember videos can't be reproduced offline.
If you're using Windows, check this article.
With this download format, you'll get an image of your slides containing all visual information but without transition animations. This file works for printing and sharing the deck as an attachment.
Check out this short tutorial on how to export your presentation:
*Exporting presentations isn't available with a free account.