How to import MSG Files into Outlook 365: Complete Tutorial

Written By Adom James
Updated on October 1st, 2025

Patricia’s Query: “I have several MSG files exported from Outlook. However, now I want to access them in Outlook 365. Therefore, how can I import Outlook MSG to Office 365 without losing data?”

Introduction: MSG files are single-message files created by MS Outlook, often used to store individual emails. However, accessing these MSG files in Outlook 365 can be a challenge. Because there is no direct option to import them. As a result, many users face difficulties in transferring MSG files into Outlook 365. Therefore, this blog will explain the manual methods. Along with an expert CloudMigration MSG Converter to import msg files into Outlook 365 easily.

Table of Contents

Real World Scenario:

There is a law firm that has stored thousands of emails in Outlook. Therefore, now the IT team needs to migrate all these emails for easy access. However, doing it manually would be time-consuming. Therefore, by using a professional MSG migration tool, the firm can quickly share all MSG files without any loss.

Basic Steps to Move MSG to Outlook 365

Download & Install the Cloudmigration MSG Converter Tool.
Click Select File(s)/Folders to add the MSG files.
Preview to verify the content.
Save the MSG file in MS Outlook 365 format.
Click Convert to start the process.

Quick Solutions:

Download win Buy Now for win Download Mac Buy Now for Mac

Highlighted Reasons to Import MSG to Office 365

First of all, to access emails from anywhere using MS Outlook 365.
To manage multiple MSG files in a single cloud account.
Therefore, to preserve old email data without worrying about any loss.
Also, to improve collaboration and email management in Microsoft 365.
Moreover, to ensure better security and backup by moving data to the cloud.

Free Approach to Import MSG files into Outlook 365

You can follow the conversion process using this free method. However, Microsoft Outlook 365 does not support uploading MSG files directly. Therefore, the workaround is to use Outlook Desktop & additionally set up an IMAP account.

Below are the steps to open MSG files in Office 365:

Approach 1. MS Outlook Desktop

Firstly, open Microsoft Outlook on your desktop.
After that, drag & drop MSG files into a folder.
Further set up your Outlook 365 account in Outlook using IMAP.
Lastly, copy the MSG emails into the Outlook 365 mailbox folder.

Limitations to Upload MSG file into Office 365:

First of all, this free way needs to install Outlook Desktop.
Therefore, it is very time-consuming if you have multiple MSG files.
Also, it is mandatory to have technical knowledge to set up IMAP correctly.
Moreover, there is a risk of losing folder structure during migration.
This method is dependent on internet connectivity for synchronization.

An Expert Solution to Import MSG files into Outlook 365

For a more reliable process, you can use the CloudMigration MSG Converter Tool. Specifically, this software directly moves MSG files into Outlook 365. Moreover, it keeps the attachments, inline images, & folder structure preserved. Therefore, this tool allows to import MSG to Google Workspace. Additionally, this automated tool makes the conversion easier & more secure.

Here’s the step-by-step guide to import MSG files to Outlook 365:

Firstly, download & install the CloudMigration MSG Converter Tool → Next.

After that, Select File (s)/Folders → Add the MSG file → Next.

Now, expand the tree structure → Preview to verify the details → Next.

Further, save the MSG file in Outlook 365 format. (Here we have chosen the IMAP).

Subsequently, enter your Outlook 365 account credentials → Sign in.

Lastly, apply the built-in filters if needed (date, subject, etc.) → Convert.

Characteristics of the MSG Converter Tool:

First, it imports MSG files into Outlook 365 directly.
Therefore, this software preserves attachments, inline images, and metadata.
Also, supports the various file formats, like convert MSG to EML.
Moreover, the conversion allows multiple MSG file migrations at once.
The highly efficient tool has a user-friendly interface suitable for all users.

One-Time Service Available
If you don’t want the conversion to be done manually, you can take a one-time service. Connect with our team, and they will share MSG files to Outlook 365 with complete accuracy.

Conclusion

To conclude, importing MSG files can be challenging if done manually. While the manual method is possible, it is limited and time-consuming. Moreover, for a secure & quick migration, the CloudMigration MSG Converter Tool is highly recommended. Therefore, it imports msg files into Outlook 365 with complete accuracy. Also, it allows the software to import MSG to Gmail.

Frequently Asked Questions

Q1. How to import MSG files to Outlook 365?

Ans. You can migrate MSG files into Outlook 365 manually using Outlook Desktop and an IMAP-configured account, or more efficiently using an automated tool like the CloudMigration MSG Converter Tool.

Q2. Is there a best tool to open MSG files in Office 365?

Ans. Yes, there is a CloudMigration MSG Converter Software that is a reliable solution to move MSG files directly into Outlook 365 while preserving attachments, formatting, and folder structure.

Q3. Can I import .MSG files directly into Outlook 365?

Ans. No, Outlook 365 does not allow importing MSG files directly. You either need to use Outlook Desktop as an intermediate platform or use an expert migration tool.

Q4. Will attachments in .MSG files be preserved after import?

Ans. Yes, recommended tools like CloudMigration MSG Migrator ensure that all attachments, inline images, and metadata are preserved during the import process.

About The Author:

Adom James

I’m Adom james, a skilled content strategist with a focus on technical writing. With in-depth knowledge in Email Backup, Data Recovery, and Email Migration, I specialize in providing expert solutions and addressing technical challenges for both individuals and businesses, especially in the areas of Cloud Backup and seamless email transitions.