Can I change my email address in ProtonMail?

如果您拥有多个 ProtonMail 或自定义域地址，您可以更改移动设备上的默认地址。您的默认地址是您在打开消息编辑器时用于发送电子邮件的电子邮件地址，但您可以手动更改此地址。

Protonmail FAQ Can the police track ProtonMail? Do I need a phone number to register a ProtonMail mailbox? What does a ProtonMail address look like? Is ProtonMail legal in the US? Is ProtonMail more secure than Gmail? Does Protonmail work in China? What username should I use for ProtonMail?