PST to MSG Converter

Convert Outlook items from PST data files to MSG format. Whether they're emails, tasks, contacts, notes, calendar events, or attachments, you can easily convert them all.

  • All Outlook item properties are preserved without any data loss
  • Convert healthy, corrupted, and password-protected PST and OST files
  • Compatible with all versions of Outlook

What’s New in PST to MSG Converter

v 1.28

Converting PST to MSG files

How to convert PST to MSG files?

This utility converts Outlook PST files to MSG files, including attachments, with no limitations on the size or number of files to be converted. To convert PST to MSG files, follow these steps:

  1. Choose a File or Folder with Outlook Data Files (.pst and .ost)
  2. Select the destination path for the resulting MSG files
  3. Optionally, customize additional settings:
    • Process subfolders
    • Create individual folders for each Outlook Data File
    • Replicate folder structure from source Outlook Data File
    • Skip empty folders
    • Overwrite mode for existing files
  4. Click "Run" to convert your PST files
Usage: pst2msg-cli [command] [options]

Command: convert msg
Description: Convert .pst and .ost files to MSG format

  -f, --file      Required. Path to the file(s) to be converted, supporting wildcard characters (*?).
  -n, --name      (Default: subject) Naming convention for exported files. Valid values: subject, sequential, entryId
  -q, --query     Search query for filtering messages.
  -p, --path      Destination path for EML files.
  -v, --verbose   Display detailed processing information on your screen.
  --fullscan      Perform an extensive scan for damaged or corrupted files.
  --harddel       Find and export 'hard deleted' and 'orphaned' items.
  --harddel-only  Export only 'hard deleted' and 'orphaned' items.
  --atchm-only    Export only attached emails.
  --mkdir         Create an individual directory for each exported file.
  --srcfolders    Preserve the source folder structure.
  --empty         Include empty folders in the export.
  --mode          (Default: rename) Overwrite mode. Valid values: rename, overwrite, skip

Command line options

PST to MSG Converter offers command line options for exporting items from .pst and .ost files to MSG format. To start the export, use the convert msg command followed by various options.

One of the key features is the ability to apply a search query to filter messages based on specific criteria, utilizing search keywords and boolean search operators. This allows users to extract only the relevant items they need, saving time and effort.

  • Support different naming conventions and macros for exported files
  • Convert attached emails
  • No Outlook installation required


Maintains On-Disk Folder Structure

Search a folder and all of its subfolders for emails and maintains the on-disk folder structure of the emails files after conversion.

Bulk Conversion Made Easy

With our PST to MSG Converter, you can convert multiple PST files to MSG format in one go. This feature saves you time and effort, especially if you have a large number of files to convert.

Preserves All Email Data

During the PST to MSG conversion, all MAPI properties of Outlook items are retained without any loss of data.

No Limits on the Number or Size of Resulting Files

There are no limits on the number and size of resulting files and files to be converted. You can convert an unlimited number of folders or files as often as you want.

Compatible with all Outlook versions

Export Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, 2010, 2007 emails to MSG files. Microsoft Outlook installation is not required.

Converts Password-Protected PST Files

If your PST files are password-protected, don't worry - our converter can handle them. You can easily convert these files without having to enter the password.

Technical Specifications

Product Icon

About Product

PST to MSG Converter
Version: 1.28
License: Free, Personal, and Commercial use
Interface Languages: English, Dutch, French, German, Italian, Portuguese (Brazil), Spanish
Release Date: May, 2024
Download: Portable version and Installer
System Requirements

System Requirements

Processor: Intel-compatible (x86, x64)
Memory: 1 GB minimum (4 GB recommended)
Hard Disk: 50 MB for installation files
Operating System: Microsoft® Windows 11 / 10 / 8.1 / 8 / 7
Prerequisites: Microsoft .NET Framework 4.7.2 or later

Frequently Asked Questions

If you have any questions about PST to MSG Converter, feel free to ask! Below, we have answered a few commonly asked questions to get you started.

It's easy to convert PST to MSG files using conversion tools like PST to MSG Converter. The free tool available on PST Walker's website allows you to convert multiple PST files at the same time - simply select a file or folder with .pst files, choose the MSG destination path, click Convert, and get the converted .msg files.

By default, the PST to MSG converter uses the email subject as the file name. In the Advanced tab, you have the option to choose from the following naming conventions: subject, sequential ID, or Entry ID. Additionally, with Export Macros, you can customize file names according to your specific requirements.

Yes, you can export the corrupted PST file to MSG format without experiencing any data loss. The command line options also enable you to recover hard-deleted emails during the conversion process.

You can open MSG files on Mac if you have the Outlook for Mac app installed. You can also convert an MSG file into another format, such as TXT or EML, using file conversion tools like MSG to EML Converter. Simply choose a file or folder with .msg files, select your preferred options, and click 'Run'. You'll then be able to get converted .eml files to view on your Mac.

Whether you need to open a single .msg file or a directory with thousands of .msg files, MSG Viewer makes it easy for you to open, view, and reply all your personal and business emails stored in MSG and EML formats. It allows you organize all your emails and attachments in a similar way as in Outlook.