ProtonMail uses some of the most cutting edge technology that is only found in the latest browsers.
Please see our list recommended browsers.
We officially support these browsers and their newer versions. If you are experiencing any errors while using ProtonMail, please upgrade to the newest version of your browser:
- IE: 11
- Firefox: 34
- Chrome: 31
- Safari: 7.1
- Opera: 26
- iOS Safari: 7.1
- Android Browser: 4.1
- Chrome for Android: 40
You can see more about your specific browser at: http://caniuse.com/#feat=cryptography
If you see your browser on this list but are having trouble using ProtonMail, see Allowing sessionStorage