Effortless OST to MSG Conversion: Save Emails with Attachments Easily

Apr 10, 2026 - Jakicne

In short, converting OST files to MSG format isn't easy, but the right solution may make it easier. Are you also trying to find a technique to convert all the attachments in an OST file into an MSG file? Check out this helpful post to get the right answer. Let's first talk about OST and MSG before we go into the best ways to do things. This method will show us how to utilise both the simple and advanced OST to MSG Converter Tool to convert OST files into MSG files. Let's get started on this technical blog so we can understand the procedures.


As the question above says, the customer wants to know the best technique to convert a lot of OST files to MSG format with attachments. We know the solution to this issue, and following this blog article, we'll show you the best approach to cure your difficulties. We need to know what OST and MSG are and why we need to convert OST to MSG before we can completely grasp the procedure.


Why Do We Need to convert OST to MSG?


OST (Offline Storage Table) files let you see your emails, contacts, and calendar events on your computer even when you're not connected to the internet.


MSG files, on the other hand, are separate message files that may include text, attachments, and other parts. Users often use them to construct email templates or to preserve and send certain emails.


There are a number of times when it might be advantageous to convert OST files to MSG files, such as:


  1. It lets you save important emails and files from your OST file.
  2. It makes it easier to convert data from one email client to another.
  3. It makes it easier to get individual emails out of a big OST file.
  4. It lets you save individual emails for later use.
  5. It helps users work together by letting them share emails as separate files.


After reading the information above, you may go on to learning how to convert OST files into MSG files.


Method: 1 How to convert OST to MSG Using the Save As Option


Here is a step-by-step instruction on how to convert OST files to MSG files by hand:


  1. Open Microsoft Outlook and choose the email you wish to convert.
  2. In the upper left corner of the Outlook window, click on the File tab.
  3. Choose "Save As" from the list.
  4. Select Outlook Message Format (*.msg) from the Save As type drop-down option in the Save As dialogue box.
  5. Tell the program where you wish to save the converted.Click the Save button after opening the msg file.


If you're not very good with computers, you may still convert an OST file to MSG format by hand following the steps below.


Method 2: How to Use Drag and Drop to convert OST to MSG Format?


To automatically convert an OST file to an MSG file, follow these steps:


  1. Select the email you wish to convert in Microsoft Outlook.
  2. You may convert the email you want to the desktop or any other location by dragging it from the Outlook window and dropping it there.
  3. The email will be stored as a.msg file in the place you choose.


Note: The manual methods may convert OST files to MSG files, but there are certain limits, which are stated below.


Problems with the Manual Solution


You may use any of the two manual methods below to back up your Outlook OST files. But before you use the above methods, you need know about some of their limits.


  1. It doesn't include a date filter to convert the selected data based on the date.
  2. It doesn't have any useful tools to assist you do this activity quickly.
  3. It may convert a lot of OST files at once, so doing this by hand might take a long time.
  4. To do this job well, you need to know a lot about technology.
  5. If you don't follow the procedures, it can lose or damage the data.


This is the best way to go if you're having difficulties with the procedures above and want a straightforward way to convert all of your OST files to MSG format at once without losing any data or formatting. The next part talks about a professional way to do things that must be utilised.

Method: 3 How to convert OST to MSG with Attachments in a Minute,


The GainTools OST to MSG Converter utility lets you convert one or more OST files without losing any data. It's safe and adaptable. This program includes a user-friendly interface and a lot of advanced functionality. anything can handle several files or directories at simultaneously, so you may convert as much data as you like without worrying about losing or corrupting anything.


It can also convert OST files to MSG files and a lot of other email clients and formats, such as PST, MSG, EML, EMLX. You can convert OST files to MSG format with this program, even if you don't know how to code. You may also convert every email you have, with or without attachments, from OST to MSG. Now let's go over the step-by-step steps for converting a lot of OST files straight into MSG format.


How to Convert OST Files to MSG Format:


  1. Start the OST to MSG Converter program on your computer and let it run.
  2. Click the Select Files or Select Folder button to choose the OST files you require, and then click the Next button.
  3. Look through the tree-structure list of OST files and choose the ones you want. Then, click the Next button.
  4. Choose the MSG format from the selection that drops down and then choose the features you want.
  5. Now click the Path to store option to choose where you want to store the MSG file.
  6. Finally, click the Convert button to start convert the OST to MSG.


In the end


This technical blog spoke about a few different methods to convert emails from an OST file to MSG format, including with attachments. There are both easy and professional techniques to convert OST files to MSG files. The manual technique is the best way to convert OST to MSG, nevertheless, since it has certain flaws and can't convert a lot of data at once. Besides that, the professional way may save Outlook OST files to MSG with or without attachments. It also has sophisticated features and functions that make your work easier. I recommend that you get this app for free on your device so you can see what it can achieve.

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