Bulk MSG to PST Tool

Turn a Folder of Saved .MSG Files Into One Outlook PST

Merge a folder of saved Outlook .msg messages into a single importable PST on Windows. Subjects, senders, dates, read status, and attachments carry over intact, with no Outlook profile and no upload to a cloud service.

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Bulk MSG to PST Tool — screenshot.

Point the tool at the .msg messages you have saved and get back one Unicode PST you can drop straight into Outlook, instead of a pile of loose files.

Why Saved .MSG Files Pile Up

A .msg file is what Outlook creates the moment you drag an email to the desktop or pick Save As - one message, one file. Do that a few hundred times across projects, tickets, or client threads and you end up with a folder of scattered messages that no longer behaves like a mailbox. This tool takes that whole folder and rebuilds it as one PST you can reopen in Outlook like a normal archive.

How to use it

1

Step 1: Select Your .MSG Files

Add one .msg file, a folder, or several hundred at once - the tool reads each one directly, so Outlook does not need to be running.

2

Step 2: Merge Into a Single PST

Every selected .msg is written into one Unicode PST container - there is no per-file export and no separate PST for each message.

3

Step 3: Import Into Outlook

Open the resulting PST from Outlook and browse the messages as a normal folder, with subjects, senders, and dates exactly as they were saved.

Benefits

Byte-Accurate Message Detail

Subject, HTML and plain-text body, from/to/cc, sent date, the read/unread flag, and attachments are carried over as-is, including correct Cyrillic in subjects and sender names.

Nothing Leaves Your PC

Conversion runs locally on your machine, so none of the saved messages are uploaded to a server the way they are with online .msg converters.

One PST, Not a Folder Full of Them

Any number of .msg files you select is combined into a single PST, so you get back one archive to import instead of managing dozens of tiny ones.

Why people use it

Consolidate Saved Email Threads

Reassemble the client or project emails you dragged out of Outlook over time into one PST you can actually browse instead of a loose stack of files.

Archive Exported Support Tickets

Ticket systems and help desks often export each case as its own .msg - batch them into a single PST for records or handover.

Keep Outlook-Native Details, Not Just Text

Because .msg stores native MAPI fields, sender, recipients, dates, and read status move into the PST correctly instead of being flattened to plain text.

FAQ

A .msg file is an OLE compound document tied to Outlook's MAPI format, so some fields display correctly only inside Outlook. This tool does not need Outlook running to convert your files - it reads each .msg directly and writes a PST offline; you just need Outlook available afterward to open that PST.
A .msg file is an OLE compound container that stores one message plus its attachments together and carries native Outlook MAPI properties such as sender, to/cc, dates, and the read flag. A .eml file is plain RFC 822 MIME text with no MAPI fields, so it cannot hold those Outlook-specific details in the same way.
Select the whole folder or batch of .msg files at once - the tool always merges everything you add into a single Unicode PST rather than exporting a separate PST per message. The output has been verified to open cleanly in Outlook 2016, with Cyrillic subjects and sender names intact.

System Requirements

Bulk MSG to PST Tool

Languages

Version

1.0

File Size

9 Mb

Last updated on

July 22, 2026

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  • Windows 11/10/8.1/8/7 (32/64 bit)
  • Intel i3, AMD Ryzen 5 or above
  • 4 GB of RAM or above
  • NVIDIA® GeForce® series 8 and 8M, Intel® HD Graphics 2000, Quadro FX 4800, Quadro FX 5600, AMD Radeon™ R600, Mobility Radeon™ HD 4330, Mobility FirePro™ series, Radeon™ R5 M230 or higher graphics card with up-to-date drivers
  • 1280 × 768 screen resolution, 32-bit color
  • 1 GB of free hard disk space or above

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