Free accounts can only create public decks. On paid accounts, new decks are private by default and their visibility can be changed at any time. A lock icon indicates that a deck is private. Select the icon from your profile page, presentation page, or the editor to choose a different visibility.
Sharing a private deck
You can share a private deck with a selected audience using a private link or password protection.
Learn more about sharing private decks.
Internal decks
Team members have a third visibility option, Internal. Internal decks are visible to members of the team but hidden from everyone else.