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How to unlock extra storage when you join Proton Mail Free
Increase your free storage from 500 MB to 1 GB by completing our get started checklist within 15 days of creating your Proton Mail account.
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How to get started with the Proton Mail desktop app
The Proton Mail desktop app gives you the full Proton Mail and Proton Calendar experience from the convenience of your desktop.
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Proton referral program: What it is and how it works
Help your friends discover Proton privacy and earn up to 1,000 USD with our referral program.
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How Proton Mail messages are encrypted
Learn how different types of encryption are used to store and send Proton Mail messages, and what changes if your recipient doesn’t also use Proton Mail.
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Proton Mail Plus trial
Sign up for Proton Mail using a referral link and you’ll get a free 30-day trial of Proton Mail Plus with 15 GB of storage and more.
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Reserve your child’s username in Proton Mail
Learn how to reserve a Proton Mail address for your child, secure their username, and activate the account with a voucher when they’re ready.
