Proton Calendar

Overview of Proton Calendar

Proton Calendar is the world's largest encrypted calendar service designed to protect your schedule with robust privacy features. This secure calendar app automatically applies end-to-end encryption to all your events, ensuring that event details – including titles, descriptions, locations, and attendee information – remain private and inaccessible to anyone but you. Developed by Proton, the Swiss-based privacy company trusted by over 100 million users worldwide, Proton Calendar offers a complete alternative to traditional calendar services that often compromise user data for advertising purposes.

Available as part of Proton's privacy-focused ecosystem, this encrypted calendar integrates seamlessly with Secure Email and other Proton services, providing users with a comprehensive suite of privacy tools. The calendar combines traditional scheduling functionality with advanced security measures, making it ideal for individuals, professionals, and businesses seeking to protect sensitive meeting information and personal schedules from unauthorized access while maintaining full control over their data.

How to Use Proton Calendar

Getting started with Proton Calendar is straightforward – simply create a Proton account to access the free encrypted calendar service. Once logged in, you can immediately begin adding events, setting reminders, and organizing your schedule with the same ease as traditional calendar apps. For enhanced functionality, connect your Proton Mail account to seamlessly add events from email invitations and send secure event invites using your encrypted email address. The intuitive interface allows you to quickly modify existing events, set multiple reminders for important appointments, and manage your daily schedule without compromising on privacy or security.

Core Features of Proton Calendar

1. End-to-End Encryption – Automatically secures all event data, including titles, descriptions, and locations
2. Zero-Knowledge Architecture – Event details remain encrypted so even Proton cannot access them
3. Proton Mail Integration – Add events directly from your secure email inbox and send encrypted invites
4. Multiple Reminder Settings – Set custom alerts and notifications for important events and meetings
5. Swiss Privacy Protection – User data protected by strict Swiss privacy laws and neutrality standards

Use Cases for Proton Calendar

• Business professionals scheduling confidential meetings and corporate events
• Journalists and activists protecting sensitive sources and appointment details
• Healthcare providers managing patient appointments with confidentiality
• Legal professionals scheduling client meetings and court dates securely
• Remote teams coordinating across time zones with encrypted event sharing
• Individuals seeking privacy from data-harvesting calendar services
• Organizations requiring compliance with data protection regulations

Support and Contact

For assistance with Proton Calendar, visit the Proton Support Center for comprehensive documentation and troubleshooting guides. While no direct contact email was found for calendar-specific support, general inquiries can be directed through Proton's main contact channels available on their website.

Company Info

Proton Calendar is developed by Proton AG, a Swiss-based company headquartered in Geneva, Switzerland. The company specializes in creating privacy-focused alternatives to mainstream technology services and is incorporated under strict Swiss privacy laws that provide enhanced data protection for users worldwide.

Login and Signup

Access Proton Calendar by visiting the official Proton Calendar website where you can create a new account or log in to your existing Proton account. The service is available through web browsers and mobile applications, providing flexible access to your encrypted calendar across devices.