List of Proton Calendar Integrations

This is a list of platforms and tools that integrate with Proton Calendar. This list is updated as of August 2025.

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    Proton Mail

    Proton AG

    Experience unparalleled email privacy with secure, encrypted communication.
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    Proton Mail for Business offers a secure and professional email solution trusted by 50,000 organizations. Built with end-to-end encryption and protected by Swiss privacy laws, Proton Mail ensures your sensitive information is safe from unauthorized access and data leaks. Whether you're a small business or a large organization, you can ensure regulatory compliance, reinforce client trust, and keep your communications safe. Easily migrate your team from Google or Microsoft, use your own email domain for your communications, and manage your schedule with Proton Calendar — all in a user-friendly, privacy-focused platform.
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