Import MBOX files to Outlook.com/ Outlook Web Access
Updated On - September 29, 2026 by Armaan | Reading Time: 4 minutes
Quick Answer
Outlook.com does not provide a native option to directly import MBOX files. You can convert MBOX to PST and import it into the Outlook, or use Regain MBOX to PST Converter to directly migrate MBOX emails to Outlook.com. The tool supports multiple MBOX files, selective folders, attachments, and folder hierarchy.
With the changes in technology, nowadays users of desktop-based email clients are moving to cloud-based applications. Outlook.com is a free cloud-based emailing service and is one of the main reason why users are migrating their desktop-based email application to web-based emailing service. In this blog, we explain how to import MBOX files to Outlook.com/ Outlook web access platform.
About MBOX Files
MBOX is the mailbox storage file supported by more than 25 email clients like Mulberry, SeaMonkey, ThunderBird, Entourage, Spicebird, AppleMail, Eudora, Pocomail, Berkeley, Chaos Intellect, EathLink, Google Takeout, Netscape, The Bat, Turnpike, Opera Mail, Evolution, Cone, Sylpheed, Gnu, Mutt, Postbox, ClawsMail, Incredimail, MozillaMail, etc.
Benefits of Importing MBOX Files to Outlook.com or Outlook Web Access
- Outlook.com or Outlook Web Access offers a free cloud storage space for saving mail folders and other data of users.
- On using Outlook.com or Outlook Web Access, users can access their email account anywhere and at any time.
- Using cloud-based Outlook.com or Outlook Web Access, users doesn’t face any compatibility issues.
Can You Directly Import MBOX to Outlook.com?
No, Outlook.com does not natively support direct MBOX file import. To move MBOX emails to Outlook.com, you can first convert MBOX file to PST or use a dedicated MBOX migration tool such as the Regain MBOX to PST Converter.
Why Import MBOX Emails to Outlook.com?
Moving MBOX emails to Outlook.com allows you to access older mailbox data through a web-based Microsoft account. It can be useful when switching from email clients such as Thunderbird or Apple Mail, consolidating old emails, or moving mailbox data to Microsoft 365.
How to Import MBOX to Outlook.com
There are two common approaches for moving MBOX emails to Outlook.com.
Method 1: Convert MBOX to PST and Import to Outlook
- Open the MBOX file in Regain MBOX to PST Conversion tool.
- Convert the required MBOX emails to PST format.
- Open the resulting PST file into the Outlook.
- Now you can access MBOX emails in your Outlook.com mailbox.
Method 2: Directly Import MBOX to Outlook.com Using Regain Software
The Regain MBOX Converter tool provides a direct migration option for moving MBOX emails to Outlook.com. Add the MBOX file, preview and select the required folders, enter the Outlook.com account details, and start the migration.
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Features:
- Import MBOX to Hotmail software allow you to migrate MBOX files into cloud server such as Office 365, Gmail, Yahoo Mail, OWA, GoDaddy, Amazon Workmail, Live Exchange Server, etc.
- Export MBOX files to OWA tool allows adding and converting multiple and large-sized MBOX files into MS Outlook PST file format.
- Apart from MS Outlook PST file format, the software supports converting MBOX files into other file formats including EML, MSG, PDF, HTML, EMLX, and MHTML file format.
- Our tool support 25+ email clients like Mulberry, SeaMonkey, ThunderBird, Entourage, Spicebird, AppleMail, Eudora, Pocomail, Berkeley, Chaos Intellect, EathLink, Google Takeout, Netscape, The Bat, Turnpike, Opera Mail, Evolution, etc.
- Offers an easy-to-use, self-descriptive, intuitive graphical user interface such that even a non-technical user can perform the MBOX to Outlook.com/Outlook Web Access migration without having any background technical knowledge.
- Compatible with all Outlook versions.
- Available as a free to download demo version.
Steps to Convert MBOX files to Outlook.com/Outlook Web Access
- Download, install and launch MBOX to PST Converter.

- Click Open and add MBOX file folder that you want to import to Outlook.com.

- Now Software Display Preview of MBOX mailboxes before migration

- Click on ‘Cloud Migration‘ button and Select ‘Outlook.com‘

- Enter Login Details of Outlook.com account and Start Migration process.
The Regain MBOX Converter starts exporting MBOX files to Outlook.com or Outlook Web Access and displays a live log report.
Video Tutorial for MBOX File Migration Using Regain Software – Watch Now!
Conclusion
This article is helpful for those ThunderBird, AppleMail, and other MBOX supported email-client users who want to switch to Outlook.com or Outlook Web Access. Our recommended Regain MBOX File Converter software is the best and easy solution for mbox files migration.
Use free version to check software capability and its efficiency. Free version can import 30 items per folder at free of cost, this is only the restriction. Purchase full licensed to import emails from MBOX to Outlook.com without any limitation.
Frequently Asked Questions
Q1. Can I directly import an MBOX file into Outlook.com?
Ans. Outlook.com does not provide a native MBOX import option. You can use the Regain MBOX Converter to migrate MBOX emails directly to Outlook.com or convert them to PST first.
Q2. How can I import MBOX to Outlook.com?
Ans. You can convert MBOX to PST and then import the PST using a supported Outlook workflow. Alternatively, the Regain MBOX Migration provides a direct migration option to Outlook.com.
Q3. Can I migrate multiple MBOX files to Outlook.com?
Ans. Yes. The Regain MBOX File Converter supports migrating multiple MBOX files and can transfer them to Outlook.com through its supported cloud migration workflow.
Q4. Can I import MBOX to Outlook without installing Outlook?
Ans. Yes. You can use the Regain MBOX Migrator to convert MBOX files without requiring Outlook to be installed for the conversion process. You can then use the resulting PST with a supported Outlook workflow when needed.
Related Articles:
- A Complete Guide to Export MBOX File to Mozilla Thunderbird
- How to Export MBOX to PST Manually
- How to Import MBOX to Outlook – Step by Step Guide
- Import MBOX files to IMAP server
- Import MBOX Files into Gmail Account
- 5 Best MBOX Converters – Detailed Comparison
- Export Thunderbird emails to Outlook PST




