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Email Converter software

readpst (libpst)

Developed by libpst (open source)

Free command-line tool that converts Outlook PST files to MBOX or EML.

100% Free LinuxmacOS

Links open the official website of libpst (open source). Data Recovery Mumbai is not the developer of this software.

Overview

What is readpst (libpst)?

readpst, part of the open-source libpst package, converts Outlook PST files into standard MBOX or EML files that Thunderbird and many other programs can open. It is available in most Linux distributions.

It is a command-line tool — great for IT staff converting old mailboxes without Outlook.

Best for

  • Converting PST without Outlook
  • Linux and Mac users
  • Batch mailbox conversion

Quick facts

Developer
libpst (open source)
Category
Email Converter
Platforms
Linux, macOS
Licence
100% Free
Website
five-ten-sg.com
Key features

What readpst (libpst) can do

01

PST to MBOX

Convert whole mailboxes.

02

PST to EML

One file per email.

03

Folder structure

Keeps the folder tree.

04

Attachments

Exports attachments too.

05

Open source

Free to use.

How it works

Using it in 3 steps

  1. 1

    Add the mailbox

    Load the PST / OST file or connect the email account.

  2. 2

    Choose output

    Pick the format — EML, MBOX, PST or an archive.

  3. 3

    Export & check

    Export, then open the result in your mail program to check it.

Our engineers' view

Pros & Cons

Pros

  • Free and open source
  • No Outlook needed
  • Scriptable

Cons

  • Command-line only
  • Not for OST files from all Outlook versions
Requirements

System requirements

  • Runs on: Linux, macOS
  • Check the official website for the latest version and full system requirements
LinuxmacOS
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FAQ

readpst (libpst) FAQ

Questions we often hear from customers who tried this software first.

Yes. readpst (libpst) is completely free to download and use.

Good converters only read the original file. Still, keep a copy of the OST before you start.

No. readpst (libpst) is developed by libpst (open source). We list it as an independent guide and link to the official website. For data that software cannot recover, our lab offers a free diagnosis.

readpst (libpst) is a product of libpst (open source). Data Recovery Mumbai is an independent data recovery lab and is not affiliated with the developer. All trademarks belong to their owners. Information is for guidance; check the official website for current features and prices.

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