How to Convert OST File into MSG?- Expert Guide

How to Convert OST File into MSG?- Expert Guide

If you are an MS Outlook user looking for an effective way to Convert OST File into MSG, read this blog until the end. Here, we will share different approaches to help users perform this conversion efficiently.

An OST file is an Outlook data file that saves a copy of the whole Outlook mailbox on your local drive in an offline format. However, if a user wants to share a single mail from the OST file or wants to prevent data from corruption, then they need to export Outlook emails from OST to MSG files. Before we move on and discuss the solution to perform this conversion. First, look at the common reasons to save data in an MSG format.

Reasons to Convert OST File into MSG

The need to Convert OST to MSG may vary from user to user. Here are some common reasons why users prefer MSG file format over OST.

  • MSG files allow saving individual mailbox items.
  • This file format stores data in the form of ASCII text.
  • Users can easily share with other Outlook profiles.
  • Data stored in an MSG file format are less prone to corruption.
  • MSG file formats are more convenient to use.

After going through the reasons, let’s move on to the solution part.

How Can I convert a Batch of OST Files to MSG Format?

The internet has various solutions to convert OST File into MSG, and choosing the right approach can be confusing. To help you ease the conversion process, we have shared the two most reliable ways to perform the conversion. Let’s look at the manual approach first.

A Manual Approach to Transfer OST Files to MSG File Format

To easily convert an OST file into an MSG file format, follow the below steps carefully-

  • Open MS Outlook on your System.
  • Select the Mail you want to save and navigate to the File option.
  • In the file tab, chooses the Save As option.
  • Now, Opt for the desired location to save the file.
  • After that, choose the file format as .msg.
  • Finally, click the Save button to convert the mail to .msg format.

In this method, there are high chances of losing important data. The other common drawbacks faced by users are in the following section.

Also Read: Fast and Secure Ways to Import MBOX to Outlook PST on Mac

Downsides of the Manual Approach

  • This method does not allow users to convert multiple OST files to MSG.
  • Missing a single step may compel users to repeat the whole procedure.
  • During the process, data alteration can take place.
  • It is a time-consuming process.

Many experts prefer using the professional OST to PST Converter Tool to avoid these issues.

Professional Approach to Convert OST File into MSG

A professional OST to PST Converter is a reliable tool to transfer OST files to MSG file format efficiently. Using this method, users can perform bull conversion of OST files in just a few clicks. This method maintains folder hierarchy and prevents any kind of data alteration during the process. Users can easily convert OST to PST, PDF, MBOX, EML, and other file formats without losing data integrity.

Steps to Export Outlook Emails from OST to MSG Files

  • Install and Run the OST to PST Converter on your device.
  • Click on the Browse button and add SIngle/multiple OST Files. 
  • Now,  select the mailbox that you want to convert and click on Next.
  • Choose MSG as the saving file format from the Save As menu.
  • Lastly, click on the Convert button to start the conversion process.

Also Read: How to Sync Gmail Contacts with Outlook on Mac- Easy Guide


We’ve covered how to convert OST file into MSG in this article. We have thoroughly explained both the manual and professional approaches. You can use any of these methods, but an automated solution is the most recommended.


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