Free Online PST to MBOX Converter — Convert Outlook to MBOX

Convert Outlook files to Thunderbird file format. Use this PST to MBOX converter to convert PST to MBOX online.

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PST Personal Storage File

Files with .PST extension represent Outlook Personal Storage Files (also called Personal Storage Table) that store variety of user information. User information is stored in folders of different types that include emails, calendar items, notes, contacts, and several other file formats. PST files are used for archiving emailing data offline that can be later loaded and viewed in various applications.

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MBOX Email Mailbox File

MBox file format is a generic term that represents a container for collection of electronic mail messages. The messages are stored inside the container along with their attachments. Messages from an entire folder are saved in a single database file and new messages are appended to the end of the file. Numerous applications and API provide support for MBox file format such as Apple Mail and Mozilla Thunderbird.

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HowTo

How to convert PST to MBOX

  • Click inside the file drop area to upload PST files or drag & drop PST files.
  • You can upload maximum 10 files for the operation.
  • Your PST files will be uploaded and will be converted to MBOX format.
  • Download link of MBOX files will be available instantly after conversion.
  • You can also send a link to the PST file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Other Supported Conversions

You can also convert PST into many other file formats. Please see the complete list below.