Yes, 1Password is designed to be used across multiple devices seamlessly. The service supports various platforms, including Windows, macOS, iOS, and Android, which means users can access their password vault on desktops, laptops, smartphones, and tablets. When a user subscribes to 1Password, they have the ability to synchronize their data across all devices, ensuring that their passwords, secure notes, and other sensitive information are always available, regardless of the device they are using. Additionally, 1Password implements strong security measures, such as end-to-end encryption, to protect user data during synchronization. Users can manage their accounts through the 1Password app or website, and assistance on device setup can often be found in the support section of the 1Password website for more detailed guidance.