Import reports

Import reports are generated by our Import Assistant tool. After each completed, failed, or canceled import, you will receive an email with a report attached as a CSV file.  This report includes a list of all the successfully imported folders, a list of the emails and folders that failed to […]

How to check encryption status using lock icons

All messages in ProtonMail are labeled with a lock icon that tells you their encryption status. In this article, we explain what they mean. A lock icon is shown next to every email in your inbox and custom folders.  The encryption status of sent and received emails shows you how […]

Web Cryptography API

ProtonMail uses the latest web technologies to secure your data. In order for these technologies to work, you must use a browser that supports the Web Cryptography API (Web Crypto). In this article, we explain what Web Crypto is. What is the Web Crypto API? The Web Cryptography API is […]

How to share a calendar with a link

Users with a paid ProtonMail plan can share a copy of their Proton Calendar calendars with non-ProtonMail users via a simple URL link. External users can read all the events on your shared calendar but cannot edit it.  When you update your calendar, anyone with access to your calendar will […]

How to set up DNS records with Bluehost

If you own a domain (for example, mydomain.com), ProtonMail allows you to create a custom email address that uses your domain name instead of our regular @protonmail.com, @protonmail.ch, or @pm.me domains. To set up a custom email address with a domain hosted by Bluehost so that you can use it […]

How to upgrade or downgrade your subscription

You can upgrade or downgrade your ProtonMail subscription plan at any time. If you downgrade your plan, prorated account credits are added to your account. If you upgrade your plan, any existing account credits will be applied towards it, or you can make a new payment.  Learn more about the […]

How to check your iOS version

This article will show you how to see which version of iOS or iPadOS you are running on your iPhone or iPad. This is useful for checking compatibility with iOS apps (including the ProtonVPN app for iOS) and for ensuring your system is up-to-date. Go to Settings -> General -> […]

How to check your Android OS version

Please also see How to check your iOS version. This article will show you how to see which version of the Android operating system (OS) your Android device is running. This is useful for checking compatibility with Android apps (including the ProtonVPN app for Android) and for ensuring your system […]