How to Import MSG to Office 365? Simple Methods

Written By Mithilesh Tata
Approved By Mithilesh Tata
Publish on June 4th, 2025
Reading Time: 3 minutes

Summary:- An MSG file is a single email saved from Microsoft Outlook, usually carrying the .msg extension. They contain full email details, sender, receiver, subject, body, and attachments. While you can open them in Outlook, moving MSG files into Office 365 isn’t as direct. This blog will show you the manual and a professional MSG File Converter Tool to import MSG Files into Outlook 365. If you have a few emails or large files to import, they give you the best and hassle-free solution.

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Why Import MSG to Outlook 365?

There are many situations where users need to import their MSG files to Office 365, such as:

If you want to access all your old emails in one place.
To access MSG file data from anywhere with an internet connection.
Unlike MSG, Office 365 offers better security options against data theft.
Moreover, need to backup important emails in a cloud platform for future access.

MSG files are useful, but they’re not ideal for long-term or cloud-based use. That’s why using Office 365 becomes a more convenient option.

How Do I Import MSG Files to Office 365?

You can use different methods to import MSG to Microsoft 365, including:

Free Solution: Used for small data.
Professional Tool: Capable of importing bulk PST files.

Method 01: Free Method to Import MSG Files into Outlook 365

If you have Microsoft Outlook installed and a few MSG files to work with, you can use this method.

Firstly, open Outlook Desktop and connect your Office 365 account.
Next, locate the MSG files saved on your computer.
After that, drag and drop the MSG file(s) into any Outlook folder (e.g., Inbox or Custom Folder).
Once done, Outlook will sync those emails with your connected Office 365 mailbox.
Lastly, open Outlook Web (Office 365) and check your emails should appear there.

Limitations of the Manual Method

The manual method is free to use. But, it has several limitations, like:

This method is not suitable for importing bulk MSG files at once.
It required Outlook Desktop installation on your system.
Moreover, it may not preserve attachments or formatting in rare cases.
Increase the chance of losing data confidentiality and integrity.

However, to avoid these limitations, you can use the method mentioned below.

Secure Solution to Import MSG Files into Outlook 365

Using an MSG File Converter Tool is one of the easiest and most reliable ways to move your MSG files into Office 365. It allows you to convert large or multiple MSG files at once. With its simple interface, this tool offers several advanced features, like Preview data, Remove Duplicate Emails, Date Filter, and more. Additionally, you can convert MSG to PDF, PST, EML, and other file formats. Provide fast processing speed and are highly compatible with all the latest & earlier Windows versions.

Demo Version of this Tool: A free (Demo) version of this tool is available to analyze its performance and functionality. You can save up to 50 emails per folder with the free version. Moreover, if you have any queries related to this conversion or the tool, 24/7 technical support is available. They resolve your query within a few minutes.

Quick Steps to Import MSG to Microsoft 365:

Firstly, launch the MSG File Converter Tool on your system.
Next, click on Select Files and add the MSG file. Press Next.
Then, Preview & select (tick) the files that you want to convert. Hit Next.
Choose the Save in Email Client option and pick Office 365 from the given list.
Further, apply advanced features as per your needs and click Convert.

Final Words

MSG files are useful for storing emails individually, but they’re not designed for long-term email management. Especially in today’s cloud-based environment. If you want a secure, searchable, and accessible place for all your messages, Office 365 is the best destination. You can go with the manual method to import MSG Files into Outlook 365 if you only have a few emails. But for larger sets, using a trusted Converter Tool will save you time, keep your data safe, and ensure a smooth transition.

Frequently Asked Questions

Can I import MSG into Outlook 365 without Outlook Desktop?

Yes. Where the manual method is dependent on Outlook installation, the professional MSG Converter Tool is not. It allows for direct MSG file upload to the cloud.

Will attachments and formatting be preserved?

Yes, if you are using the MSG Converter by ConverterTools, it will preserve attachments, images, and even inline formatting during migration.

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About The Author:

Mithilesh Tata

Mithilesh Tata is a technical expert who has assisted thousands of clients with Microsoft Outlook and other cloud-based email clients. He enjoys writing on email clients backup as well as email migration. He is always excited about giving troubled readers the most up-to-date knowledge, explanation, and user-friendly solutions.