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How to send large video files securely
  • Privacy guides
Size limits, quality compression, and privacy concerns can make figuring out how to share large video files a hassle. Here’s how to do it simply and securely.
Learn the basics of email format, such as subject line, opening paragraph, sign-off, and signature, with practical tips and examples.
  • Privacy guides
Learn the basics of email format, such as subject line, opening paragraph, sign-off, and signature, with practical tips and examples.
Proton Lifetime Fundraiser raised over $1 million
  • Proton news
We raised over $1 million this year to directly support organizations on the front lines of the fight for online privacy and freedom.
The cover image for a Proton Pass blog comparing SAML and OAuth as protocols for business protection
  • For business
SAML and OAuth help your workers access your network securely, but what's the difference? Here's what you need to know.
Proton Lifetime Fundraiser 7th edition
  • Proton news
Learn how to join our 2024 Lifetime Account Charity Fundraiser, your chance to win our most exclusive plan and fight for a better internet.
The cover image for a Proton Pass blog about zero trust security showing a dial marked 'zero trust' turned all the way to the right
  • For business
Cybersecurity for businesses is harder than ever: find out how zero trust security can prevent data breaches within your business.
How to protect your inbox from an email extractor
  • Privacy guides
Learn how an email extractor works, why your email address is valuable, how to protect your inbox, and what to do if your email address is exposed.
How to whitelist an email address and keep important messages in your inbox
  • Privacy guides
Find out what email whitelisting is, why it’s useful, how to whitelist email addresses on different platforms, and how Proton Mail can help.
The cover image for Proton blog about cyberthreats businesses will face in 2025, showing a webpage, a mask, and an error message hanging on a fishing hook
  • For business
Thousands of businesses of all sizes were impacted by cybercrime in 2024. Here are the top cybersecurity threats we expect companies to face in 2025—and how Proton Pass can protect your business.
A graphic interpretation of a block of how many gigabytes in a terabyte
  • Privacy guides
Learn how many GB are in a TB and discover the best way to securely store and share your files — no matter their size.
The cover image for a Proton blog, showing a phone screen with a lock logo and three password fields surrounding the phone
  • For business
Here's what to look for when choosing an enterprise password manager to streamline collaboration and protect your organization's sensitive data.