Learn How to Convert Emails of ProtonMail to PST

Security for our emails is very important nowadays. So, to solve our problem of security issues, a Swiss-based start-up ProtonMail comes with end-to-end encryption solution. ProtonMail is an open-source webmail service which is introduced in 2014.

Like any other webmail services such as Outlook.com and Gmail, ProtonMail uses client-side encryption to protect email contents and user data before they are sent to ProtonMail server. Due to its encryption features and zero access to users data it gain 10 million active by the end of 2018.

Hence, if your need to export ProtonMail data to PST file, then you are landed on the right page. In this blog, we are going to convert ProtonMail mailbox emails to PST file format.

How to Convert ProtonMail to PST?

Here you will got the finest & easy method to do this conversion, but first you have to export ProtonMail mailbox data into MBOX file. Because ProtonMail allow to export emails in MBOX afterword, we change that we have to convert ProtonMail file to PST. So stay with us to complete the hole task without any data loss.

ProtonMail offers four types of plans like Free, Plus, Visionary, and Professional and every plan offer different features. You can export your emails one by one in .eml format on your local machine with free account. However, paid plans offer both export and import option. So, to export mailbox data from ProtonMail & convert to PST file follow the steps listed below –

Pre Requisites –

Note:– ProtonMail Bridge only works with the paid email service of ProtonMail.

Steps to Export Data From ProtonMail to Outlook PST

Step 1: After downloading the ProtonMail Bridge login with your ProtonMail account.

Step 2: Now, there are two options :-

  • Export All – By this option you export emails from all your email addresses.
  • Export – This option allows you to export emails from individual email addresses

Choose an option as per your requirement.

Step 3: On the next window you will see two options MBOX and EML. Choose MBOX.

Step 4: After that, select the location where you would like to store the resultant file by clicking on Browse button.

Step 5: Once you are done with your setting, click on Export button to start process.

Note:- At this stage, you have completed 50 percent of conversion ProtonMail to Outlook PST.

Step 6: Now, open the DataHelp MBOX to PST Converter Tool.

Step 7: After that, click on Select Files to choose exported MBOX file from ProtonMail.

Step 8: After selecting the resultant file click on Open >> OK

Step 9: Now, click on Convert button.

Step 10: After that, choose the destination location to store the resultant PST file.

Step 11: At last, click on OK button to start the process.

Note:- Once the process of conversion completed successfully. Open your Outlook and with the use of Import / Export Wizard you can easily import your PST file into your Outlook 2019. 2016, 2013, 2010 and below versions account.


There are lots of users who want to convert their ProtonMail emails data to PST file. But they don’t how to export emails from ProtonMail to PST. So in this article, we provided an easy solution to simplify this procedure. Above-discussed solution will surely help you to complete the task without any data loss.