Proton

Privacy guides

What is personally identifiable information
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  • Privacy guides
What is personally identifiable information, and how can it be used against you? We go over what PII stands for, and how you can protect it.
how to change your email address
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  • Privacy guides
If you’re still holding on to an embarrassing email address, it’s time to change it. Learn how to change your email address in five easy steps.
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  • Privacy guides
Learn the different ways to send an email to multiple email addresses with our explainer on To, CC, and BCC.
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  • Privacy guides
What exactly is the cloud, how does it work, and is it secure?
what-is-spam-email
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  • Privacy guides
Learn all about spam emails, how to identify and prevent them, and how spam email filters work.
Privacy decrypted: privacy policy
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  • Privacy guides
Ultimate guide to privacy policies: How to quickly read and understand a privacy policy to take back control of your personal data.
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  • Privacy guides
We look at how encrypted email works and how Proton Mail keeps your messages private with end-to-end encryption and zero-access encryption.
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  • Privacy guides
Cyberstalking poses a dangerous threat to your well-being and privacy. Learn how to prevent cyberstalking and stay safe online.
How to delete Amazon
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  • Privacy guides
Five steps to permanently close your Amazon account plus tips to secure your account if you need to keep it open.
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  • Privacy guides
HTTPS is the cornerstone of all security on the internet, making possible much of what we take for granted being able to do on the internet.
create a new email account visual
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  • Privacy guides
Whether you’re creating your first email account, migrating to a new email service, here’s how to make the best use of your new email address.