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OST to MSG Converter Tool : Best & Safest Way

Published By Jamie Kaler 
Rollins Duke
Approved By Rollins Duke
Published On January 22nd, 2024
Reading Time 6 Min Read

In this write-up, we are going to explain the most searched query to convert OST to MSG using OST to MSG converter and manual methods. here we will provide complete information with a step-by-step guide to accomplish this task. Read the complete blog first and choose the right method, that suits your needs best.

Outlook uses both MSG and OST format to store its data like it uses OST format when your profile is connected with IMAP or Exchange Server. On the other hand, MSG is used to store single email data.

But sometimes situations come when users require OST to MSG conversion. However, they don’t know the right method. so don’t worry here we are to help you.

I work for an organization that deals with the stock market. Unfortunately, my system crashed after a few days. All company data including magazines, ledgers, stocks, investments, reports, and charts are shredded via email via Outlook. I backed up all my emails to an OST file before shutting down my system.

Now all you need to do is to import specific emails from the OST file into Outlook on the new system. Technical advisors suggest converting emails for this purpose. How can I get the cheapest and best free OST to MSG converter software?

How to Convert OST to MSG File Manually?

If your OST file has connected with your Outlook, then you can follow this method, otherwise, for an orphan OST file you have to use an expert solution. All the information with step by step guide mentioned below:

  1. Firstly, open your Outlook account.
  2. Next open the required email.
  3. Click on the File >> Save As option.
  4. Put the name of the file.
  5. Lastly, browse the file and hit the Save icon.

Also, you can use the drag-and-drop method to create an MSG file. Next, let’s have an eye on the drawbacks:

Drawbacks of Manual Methods

  • OST file must be connected with an Outlook account.
  • Orphan, damaged, or corrupted OST files will not work with this method.
  • Outlook email client must be connected with the same machine and subscribed account.
  • Users have to follow the same process for each email.

Advanced Solution to OST to MSG Converter Tool

In the present scenario, there are thousands of third-party OST to MSG Converter software available on Google. But I will recommend you RecoveryTools OST Converter Software. This software allows the users to batch convert OST files to MSG in bulk without requiring Outlook installation. Also, users can easily change the required and desired as per their choice.

Trial Limitation: Free OST to MSG Converter only allows converting the first 25 emails from the OST file to MSG as a trial. Here you need to first activate this software. Just complete the purchase process, & you will get an email within the first 15 minutes.

Quick Steps to Convert OST to MSG

  • Step 1: Run OST to MSG Converter tool.
  • Step 2: Upload the OST file/folders.
  • Step 3: Choose only the required folders.
  • Step 4: Select MSG format from the saving options.
  • Step 5: Browse the path to save the result.
  • Step 6: Hit the Next for conversion.

Highlighted Features of OST to MSG Converter

This amazing software has come up with various advanced features that offer a user a tremendous number of benefits. The software is completely standalone to perform its work and hence no third-party plugin or utility is needed for its conversion including Outlook. Some of the major advantages that come along with this best solution are listed below:

  • 100% Safe & Secure Procedure: This software provides a safe & secure environment to its users. No loss in data and its other properties have been made while using this Converter tool. The utility is completely free from all Virus & Malware threats.
  • Preserve Email Meta Properties & Attachments: During the whole process of conversion, the software manages all the internal system folder hierarchy, sub-folders, email headers, To, Cc, Bcc, Subject, Date, and inserted attachments & objects.
  • Easy & Effortless OST to MSG File Conversion: The OST to MSG Converter software offers an easy and flexible mechanism. Users can selectively import only required items from Outlook files to MSG emails like Inbox, Sent, Drafts, or other user-declared labels.
  • Compatible with All Windows & Outlook Versions: The software is compatible with all the latest versions of Microsoft Outlook created OST files including Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003, and 2002. Also, it can be run on Windows 11, 10, 8.1, 8, 7, X, Windows Vista, etc. for both 32 & 64-bit OS.

Working Steps to Convert OST to MSG in Bulk

  1. Firstly, install & Run OST to MSG Converter on a Windows PC.

    OST to MSG Converter

  2. Add the required OST files and folders using the Select Files and Select Folders options.

    Add the required OST

  3. All the folders and subfolders will appear on the screen, and check the required data from here.

    All the folders

  4. After that, select MSG as a saving option from the Select Saving Option.

    MSG as a saving option

  5. Click on the Filter Options tab and apply the advanced filter options for selective OST to MSG conversion.

    Filter Options

  6. Apply the File Naming Option to manage your converted data.

    File Naming Option

  7. After that, select the location using the Browse button as per your choice.


  8. Hit the Next button to start the OST to MSG conversion process.

    OST to MSG conversion

  9. Lastly, after the complete process, a confirmation message will appear on the screen and hit the OK button.

    confirmation message


In this article, we discussed a very important query of a user regarding the OST to MSG conversion. This can be done with the help of automatic software and manual methods. Users can use the manual ways if their OST file has connected with the Outlook email client. Otherwise, you can use the automatic tool which allows batch conversion of multiple OST files as separate MSG files.