Learn to Import MBOX File to Office 365 Using Best Methods

Users are shifting from on-premises email clients to cloud-based services in this digital era. The MBOX files are mainly the data storage files of the on-premises email clients like Thunderbird. On the other hand, Office 365 is a cloud-based email client that offers privacy and security. Moreover, You can utilize various productive applications in the Office 365 suite, like Skype for Business, Excel, Live Exchange, etc.

The MBOX files are mainly the data storage files of the on-premises email clients like Thunderbird. Therefore, this blog will discuss various methods to import MBOX to Office 365. Before we provide you with the procedure for the import process, let us get familiar with the reasons for the same.

Also Read: Import MBOX to Outlook

Reasons to Import MBOX to Microsoft 365

The reasons for performing the MBOX to Office 365 conversion are as follows.

• Shifting from an MBOX-based email client to Office 365 can compel users to import MBOX into Office 365.
• To use the elite services of Office 365, users want to migrate to the email client.
• The on-premises email clients that use MBOX have less accessibility than Office 365.
• MBOX files are susceptible to damage and corruption, leading to the loss of crucial data.

All the above reasons lure users to import MBOX files into Office 365. Now, we will discuss several ways to migrate MBOX to Office 365.

Import MBOX File to Office 365 Using Manual Approach

There is no direct method to import MBOX in Outlook 365. Hence, we have listed below the three-step solution that will help you to complete the procedure. You just need to follow the complete process precisely without missing any steps.

Step 1: Sync Your Office 365 Account in Mozilla Thunderbird

• Install the Mozilla Thunderbird application on your system.
• After that, create a new account and select skip and use the existing email option.
• Then, mention your Microsoft 365 email address, name, and password under the Mail Account Setup Wizard.
• Moving ahead, click the Configure manually and highlight the following details –
  • Incoming: IMAP, server name – outlook.office365.com, port – 993, SSL – SSL/TLS, Oauth2 authentication, username – your O365 email id
  • Outgoing: SMTP, server name – smtp.office365.com, port – 587, SSL – STARTTLS, Oauth2 authentication, username – your O365 email id
• Afterward, click the Done button and authenticate the login process.

Step 2: Transfer MBOX Files to Thunderbird

• When you open an email client, hold down the Alt key.
• Then, navigate to the Tools tab > Add-ons.
• After that, find ImportExportTools in the search box.
• Further, click the +Add button > Add under the ImportExportTools NG.
• Restart your Thunderbird application.
• Next, right-click the Local Folders > ImportExportTools NG > Import MBOX File > OK button.
• Make sure to choose a desired MBOX file you want to transfer to O365.
• In the end, you can see your MBOX file in Mozilla Thunderbird.

Step 3: Move MBOX Files to O365

• Choose all the MBOX emails with the help of the (Ctrl+A) and right-click.
• Pick the Copy to option > your Office 365 account.
• It will move your MBOX files to Microsoft Office 365.

Here is the complete manual procedure to import MBOX to Office 365. Moreover, the above solution will consume lots of time and energy. As a result, there is no straightforward procedure. If you don’t want to waste your time, go with the verified way. We will discuss it further.

Method 2: Professional Software to Migrate MBOX to Office 365 Directly

As the above three-step process is very hectic for the users and can be quite lengthy, you are suggested to move directly to the automated solution. The Cigati MBOX to Office 365 Migration Tool is the best tool for the batch migration of email files without interrupting the data. Moreover, you can preview your necessary data in a preview panel. In addition, users can delete duplicate MBOX files before the migration process. Now, we would like to highlight the working of the software to clear all your doubts.

Steps to Upload MBOX into Microsoft 365

• First, launch the Cigati MBOX to Office 365 Migrator on your local system.
• After that, choose the desired MBOX file you want to move in O365.
• Then, preview the targeted files in a preview panel and authenticate the login process by putting the valuable credentials of Office 365.
• In the end, click the Convert button to begin the importing process.

Final Thoughts

Here, we have provided the methods to import MBOX to Office 365. Users have their priorities for undertaking this conversion. Therefore, you can use the manual two-step solution to complete the import. Nonetheless, as it has become obsolete due to its complexity, you can straightforwardly choose the professional third-party tool procedure.

You May Also Read: Import MBOX to iCloud

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