How Does ProtonMail Import-Export App Work for MBOX Files?

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The ProtonMail Import-Export App is an official desktop tool for paid ProtonMail users to import MBOX to ProtonMail. After installing it, log in to your ProtonMail account. In the app, choose the Import tab, select Import from MBOX, and browse to your MBOX file. Next, pick the ProtonMail folder where you want your messages to appear and start the import. The app automatically uploads all emails securely to your ProtonMail mailbox while preserving folder structure and metadata.


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The Import-Export App is a desktop tool provided by ProtonMail that facilitates the import and export of mailbox data. MBOX files cannot be directly imported into ProtonMail using the Import-Export application. It can only import data from locally configured email clients, such as Thunderbird or Apple Mail. Users will require the BLR Tools MBOX Converter Tool in order to use exported ProtonMail MBOX files in other platforms such as Outlook, Gmail, or cloud-based services.

Steps to use software:

  • Export emails from ProtonMail using the Import-Export app in MBOX format.
  • Launch MBOX Converter Tool.
  • Add the ProtonMail MBOX file in the tool.
  • Preview Emails
  • Choose Output Format
  • Set the output location and apply filters if needed.
  • Start the conversion process.
  • Access the converted file and use it.
 

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