Google Drive is Google's file sync app that lets you store all of your files online alongside your Google Docs documents, and keep them synced with all of your devices.
Add narration from slide notes to a playable presentation copy.
Your PowerPoint with audio narration is ready to share, with recordings placed on the slides they belong to.
Add a finished narration track and timed cues to approved slides.
Get audio narration for your slides as a single track, with timed cues your presenter can follow during the walkthrough.