How to Export Office 365 Emails to MBOX Format?
Quick Answer: Office 365 has no MBOX export option. Free route: configure your Office 365 account in Thunderbird and add ImportExportTools NG. After that, right-click on each folder and choose Export folder as MBOX. For bulk conversion or to export Office 365 to MBOX without Thunderbird, you can use this professional utility.
Table of Contents
- Does Office 365 Export to MBOX?
- Which Method Should You Use?
- Method 1: Export Office 365 to MBOX with Thunderbird
- Method 2: Export Office 365 Mailbox to MBOX Without Thunderbird
- Watch Video Tutorial
- Common Problems and Fixes
- Conclusion
- Frequently Asked Questions
Does Office 365 Export to MBOX?
No. Office 365 does not provide a built-in option to export mailbox to MBOX format. You need an alternative method to export your emails. For example, Thunderbird can connect to Office 365 and export emails to MBOX using the ImportExportTools NG add-on. Another option is to use an Office 365 to MBOX converter if you want a more direct export workflow without manually processing folders in Thunderbird.
Which Method Should You Use to Export Office 365 to MBOX?
Both methods can produce MBOX files, but they suit different situations.
| Requirement | Thunderbird | Advik Office 365 Backup Tool |
|---|---|---|
| Best for | Individual mailboxes and occasional exports | Larger mailboxes and repetitive tasks |
| Setup | Requires Thunderbird and account configuration | Directly export without any configuration |
| Bulk Exporting | One email folder at a time | Export complete mailbox at once |
| Selective Email Exporting | No | Yes |
| Technical knowledge required | Moderate | Basic |
- Choose Thunderbird if you want a free method and are comfortable setting up your mailbox and exporting folders individually.
- Select a professional solution if you need to process multiple mailboxes.
Method 1. Export Office 365 Emails to MBOX with Thunderbird
Thunderbird is a free, open-source email client that you can use to manually convert Office 365 emails to MBOX format. In this method, first, you need to connect Office 365 to Thunderbird, add ImportExportTools NG in Thunderbird and then right-click on Office 365 mailbox folders to export into MBOX format.
Step 1. Launch the Thunderbird application on your system.
Step 2. Add your Office 365 account to Thunderbird and wait some time to sync emails.
Step 3. Install ImportExportTools NG in Thunderbird.
Step 4. After that, restart your Thunderbird email client.
Step 5. Now, right-click on the Office 365 mailbox folder from which you want to export emails.
Step 6. Choose ImportExportTools NG >> Folder Export (mbox) >> As mbox file.
Step 7. Select the destination location to save the resulting file and click Select Folder.
By following these steps, you can save Office 365 emails to MBOX format using Thunderbird.
Method 2. Export Office 365 Mailbox to MBOX File Directly
Download and install the Advik Office 365 Backup Tool to easily export emails from Office 365 to MBOX format. With this program, you do not need to install Thunderbird or add-ons for exporting Office 365 emails. This tool lets you convert multiple Office 365 mailbox folders, including Inbox, Sent, Drafts, and custom folders, into individual MBOX files. Also, it allows you to choose particular folders or emails for selective email conversion. It preserves the original folder structure, attachments, and email properties like sender, receiver details, and subject.
The main benefit of using this utility is that it offers 24*7 customer support. If you face any issues to download emails from Office 365 server to MBOX format, contact our support team anytime. They solve your queries as soon as possible.
Click on the download button below and check how it works.
Note: The demo version of this tool will let you export 25 emails from each Office 365 mailbox folder only. To do more, upgrade to its licensed version and export unlimited Office 365 emails to MBOX.
Steps to Export Emails from Office 365 to MBOX File
Step 1. Launch the tool on your Windows PC and sign in securely with your Microsoft 365 administrator credentials.
Step 2. The software supports Modern Authentication (OAuth 2.0) to connect to your Microsoft 365 account securely.
Step 3. Select the desired mailbox folder that you want to export.
Step 4. Select MBOX from the list of multiple saving options.
Step 5. Apply Filter Options (if required).
Step 6. Browse to the destination path and press the Backup button.
Now, the tool will start exporting emails from Office 365 mailbox to MBOX file.
Once completed, the utility will notify you with a log report that the process has been completed successfully.
This is how you can save Office 365 emails in MBOX format.
Watch How to Export Office 365 Emails to MBOX
Common Problems and Fixes
| Error | Possible Cause | What to Do |
|---|---|---|
| Unable to Login an in at server, probably wrong configuration, username or password | Incorrect settings, an authentication issue, or an unsupported login method | Confirm the email address and server setting. Use Microsoft supported modern authentication and check whether your organization permits IMAP access |
| The server does not support the selected authentication method | The client is attempting to use an authentication method that exchange online does not support | Update Thunderbird, review its account configuration and use a compatible authentication method. Contact your administrator if necessary |
| MBOX export is incomplete | Synchronization is unfinished, some folders were skipped or the export was interrupted | Allow synchronization to finish, export the missing folders and compare message counts again |
| Attachments are missing or cannot be opened | Message bodies or attachments were not fully downloaded, or the source email has an issue | Open the original email, allow its contents to load and export the folder again. Test the resulting MBOX in another compatible client |
| ImportExportTools NG is not visible | The add-on is not installed, is disabled or the menu location has changed | Open Add-ons and Themes, check the extension status and review the add-on’s current instruction |
Conclusion
In conclusion, you can export Office 365 emails to MBOX using either a manual method or an automated tool. Both methods are 100% workable and give accurate result. But if you don’t want to install Thunderbird or aren’t sure how to set it up, it’s better to avoid the long and tricky manual steps. The software makes it’s easier, faster, and keeps all your emails, folders, and attachments safe during the export.
FAQs – Export Office 365 to MBOX
Q1. Does Office 365 provide a direct option to export emails in MBOX format?
Ans. No, Office 365 does not have a built-in feature to export emails as MBOX. You need to use email clients like Thunderbird or third-party tools
Q2. How long does the export process take?
Ans. The time depends on how many emails you have and your internet speed. Small mailboxes take just a few minutes, while larger ones may take longer. The tool is designed to work fast and save time.
Q3. Is the exported MBOX compatible with all email clients?
Ans. Yes, the MBOX files you get from the tool can be opened in popular email apps like Thunderbird, Apple Mail, Eudora, Spicebird, and others that support the MBOX format.
Q4. How to import MBOX into other clients after export?
Ans. After exporting, you can open your email client (like Thunderbird), go to the Import option, and select the MBOX file. Each email app has slightly different steps, but most make it easy to load MBOX files.
Q5. Can I export selective Office 365 emails to MBOX format?
Ans. Yes. The manual solution, export all emails of a folder. While the automated tool offers various advanced filter options to convert only selected emails based on date range, to, from, subject, etc.
