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 Business Suite and other business plans?

Accepted Answer

Proton Business Suite is our most powerful business plan to protect your entire
business. This plan includes premium feature access across Proton Mail, Proton
Calendar, Proton VPN, Proton Pass and Proton Drive. This includes, 500GB of
storage per user shared between Proton Mail and Proton Drive, 15 custom domains,
our high-speed VPN to connect up to 10 devices at the same time, and more.

If you're running a larger business and would like a fully customizable plan for
your organization, contact our sales team [/cs/business/contact].

Question 4

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

Accepted Answer

Yes, we do. Learn more about two-factor authentication (2FA)
[/support/cs/two-factor-authentication-2fa].

Question 5

Do you have any discounts for Proton Business?

Accepted Answer

Yes! We offer discounts to nonprofit organizations and journalists. Please
contact our sales team [/cs/business/contact] for more information.

Question 6

Is Proton compliant with the GDPR and HIPAA?

Accepted Answer

GDPR — Yes. Learn more about GDPR compliance [/cs/business/gdpr] or download our
data processing agreement (DPA) [/cs/legal/dpa].

HIPAA — Yes. Learn more about HIPAA compliance [/cs/business/healthcare] or
download our business associate agreement (BAA) [/cs/legal/baa-model].

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 [/cs/easyswitch]. 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
[/cs/business/plans]. 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 Business plans come with the following storage shared between Proton Mail
and Proton Drive:

* Mail Essentials 15 GB per user
 * Mail Professional 50 GB per user
 * Proton Business Suite 500 GB per user

You can freely redistribute your total storage among your team. For example, if
you had a Proton Business Suite 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.

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 [/cs/mail/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 [/cs/easyswitch] 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
[/support/cs/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 [/cs/business/contact]. 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 [/cs/community/open-source].

Question 17

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 18

Can I migrate my existing calendar to Proton for Business?

Accepted Answer

Absolutely! You can import your team calendars to Proton Calendar
[/support/cs/how-to-import-calendar-to-proton-calendar] (using an .ics file), or
transfer your calendars in a few clicks using our Easy Switch [/cs/easyswitch]
app.

Question 19

Can I use Proton Drive for my business?

Accepted Answer

With our Proton Mail plans, you can store your data securely with Proton Drive
cloud storage.  With our Proton Business Suite plan, you get 500GB of shared
storage between Proton Mail and Proton Drive; securely collaborate and share
large files for your business.

Question 20

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 21

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 22

Do you support dedicated VPN IP addresses for my business?

Accepted Answer

With our VPN Professional plan [/cs/business/vpn], you can add-on to your plan a
dedicated server and IP to enhance your business’ VPN protection connection even
further.

Common questions about Proton for Business

General

Proton Mail

Proton Calendar

Proton Drive

Proton VPN

Comprehensive security and privacy for your business