Question 1

What’s the difference between a user and an address?

Accepted Answer

Users are unique mailboxes with their own username and password. Each user can have multiple email addresses to send and receive emails from within their mailbox. Each email address can only be assigned to one user.

Question 2

Can I use Proton Mail with my company's website domain name (example.com)?

Accepted Answer

Yes, absolutely. You can continue using your domain name (i.e., the name after the @ in your email address), and you'll keep the history of your emails. Your inbox stays the same, just more secure.

Question 3

What is the difference between Proton Mail Essentials and Proton Business?

Accepted Answer

Proton Mail Essentials includes Proton Mail, Proton Calendar, and Proton Drive with 15 GB of storage shared between Proton Mail and Proton Drive, 3 custom domains, and 10 email addresses per user, plus other advanced email features. Proton Business is our privacy and security suite for businesses combining Proton Mail, Proton Calendar, Proton Drive, and Proton VPN in one per user subscription. Proton Business includes all the advanced features of Mail Essentials but with 500 GB of storage shared between Proton Mail and Proton Drive, 10 custom domains, and 15 addresses per user, plus our high-speed VPN — each of your team can connect to Proton VPN on up to 10 devices at the same time. If you're running a larger business and would like a fully customizable plan for your organization, contact our sales team.

Question 4

Does Proton support two-factor authentication (2FA)?

Accepted Answer

Yes, we do. Learn more about two-factor authentication (2FA).

Question 5

Do you have any discounts for Proton for Business?

Accepted Answer

Yes! We offer discounts to nonprofit organizations. Please contact our sales team for more information.

Question 6

Is Proton compliant with the GDPR and HIPAA?

Accepted Answer

GDPR — Yes. Learn more about GDPR compliance or download our data processing agreement (DPA). HIPAA — Yes. Learn more about HIPAA compliance or download our business associate agreement (BAA).

Question 7

Can I migrate my existing email to Proton for Business?

Accepted Answer

Absolutely! You can migrate your team’s email, contacts, and calendar in a few clicks with Easy Switch. Easy Switch works in the background with Google, Yahoo, Outlook, or other IMAP-enabled providers — no need to leave computers switched on. And our Customer Success team will be there to support you every step of the way if you need help.

Question 8

Can I upgrade my existing Proton Mail account? How does it work?

Accepted Answer

Yes. You can upgrade your Proton Mail account to any Proton for Business plan. Simply log in to your account on the web, go to Settings and click Explore other Proton plans in your account Dashboard. Choose a plan that suits your business and check out.

Question 9

Can I purchase additional email storage?

Accepted Answer

Proton for Business plans come with the following storage: Proton Mail Essentials: 15 GB per user Proton Business: 500 GB per user You can freely redistribute your total storage among your team. For example, if you had a Proton Business plan with four users (4 x 500 GB = 2 TB total storage), you could give two team members 250 GB each, another team member 500 GB, and another 1 TB (total = 2 TB). You can increase your storage by adding users to your plan. If you need more storage or would like a fully customizable plan, contact our sales team.

Question 10

Can I use Outlook or other desktop email clients with Proton Mail?

Accepted Answer

Yes, you can use Proton Mail with Outlook, Apple Mail, or other IMAP-enabled email clients on a computer (not supported on mobile devices) using the Proton Bridge app.

Question 11

If I have a Proton for Business account, can I access my employees' emails as an administrator and reset their passwords?

Accepted Answer

Yes, this is an option that you as the administrator can select when setting up an account for each of your employees. You can also choose to make an account “Private”, which administrators won't have access to. “Private” accounts are often used for employees with access to classified information, such as executive teams.

Question 12

How do we transfer emails from our current provider to Proton Mail?

Accepted Answer

Moving your emails, contacts, and calendars from you current provider is quick and simple with the Easy Switch app. Or you can contact our Customer Success team, who'll be happy to help you switch.

Question 13

Are emails to other Proton Mail users always encrypted?

Accepted Answer

Yes, they are end-to-end encrypted. If you move to Proton for Business, all emails sent between your employees will always be end-to-end encrypted.

Question 14

Are emails to non-Proton Mail accounts outside my business encrypted?

Accepted Answer

Emails that you send outside your business will be stored encrypted within Proton Mail. But if you want to send an email outside your organization with end-to-end encryption, you'll need to use our Password-protected Emails feature. Password-protected Emails give you full control over the contents of your email, including the ability to set an expiration date for each message.

Question 15

Can I use my existing email service with Proton Mail?

Accepted Answer

Proton Mail is designed to replace your business’s current email infrastructure, not as a “layer on top” of your existing service. If you're looking to host only a few of your employees on Proton Mail while keeping the rest on your current email system, contact our sales team. We'll be happy to recommend how you can best manage this configuration.

Question 16

Is Proton Mail open source?

Accepted Answer

Yes, all our apps are open source and independently audited. Learn more about Proton and open source.

Question 17

Do you have shared calendars?

Accepted Answer

Full calendar sharing is not yet supported, although you can share a read-only version of calendars with your team via a link. Full calendar sharing is coming soon. To be notified when it's available, contact our sales team.

Question 18

Does Proton Calendar work with Outlook calendar?

Accepted Answer

You can access Proton Calendar in any web browser or by using the beta Proton Calendar apps for iOS or Android. Proton Calendar doesn't support third-party apps, including Outlook.

Question 19

Can I migrate my existing calendar to Proton for Business?

Accepted Answer

Absolutely! You can import your team calendars to Proton Calendar (using an .ics file), or transfer your calendars in a few clicks using our Easy Switch app.

Question 20

Can I use Proton Drive for my business?

Accepted Answer

Proton Drive is currently in beta. As we continue to add new features to our encrypted file storage to make it as secure and easy to use as possible, we don’t recommend rolling out Proton Drive across your business until you've tested the current functionality in beta to ensure it matches your needs.

Question 21

Does Proton Drive include document editing (Docs, Sheets, Slides, etc.)?

Accepted Answer

Proton Drive is currently in beta. Document editing is on our road map for future development. If you'd like to receive notifications about future product releases, contact our sales team.

Question 22

What’s a “VPN connection” in Proton for Business plans?

Accepted Answer

A “VPN connection” is any device that is securely connected to the internet using Proton VPN. One VPN connection allows one device to connect to the internet with Proton VPN at any given time. For example, to connect a phone and a laptop to the internet with Proton VPN at the same time, you need two VPN connections.

Question 23

How does a VPN protect my business?

Accepted Answer

A VPN allows you to connect to the internet securely. It adds a layer of encryption to prevent WiFi providers and hackers from snooping on your data while you use public WiFi in airports, coffee shops, or co-working spaces. A VPN also prevents internet service providers (ISPs) selling or handing over details of your online activity to third parties, such as advertisers and governments.

Question 24

Do you support dedicated VPN IP addresses for my business?

Accepted Answer

Unfortunately, we don't currently offer dedicated IP addresses for your business. This functionality is on our road map for future development. If you'd like to receive notifications about future product releases, contact our sales team.

Common questions about Proton for Business

General

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Proton Drive

Proton VPN

Comprehensive security and privacy for your business