Common questions about Proton for Business

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.