The popular file format MBOX, more commonly known by its acronym, is supported by a number of desktop email clients, such as Mozilla Thunderbird, SeaMonkey, Eudora, and others. These MBOX email files work with Windows, Mac, and UNIX, among other major operating systems. This demonstrates the extensive range of business uses for MBOX. There are several alternatives to MBOX, such as mboxo, mboxcl, mboxcl2, etc. Each of these choices is used by various email programs in place of the various MBOX file types. Instead, the most popular option at the moment is the .mbox extension.

Microsoft, on the other hand, developed Office 365, a cloud storage solution. Office 365 provides a range of feature-rich, easily accessible online applications that users may access from anywhere at any time. Its features and benefits include the following: email storage, journals, to-do lists, and contacts. This cloud storage solution also lets you protect your data from programs that can corrupt it.

Why Is Converting MBOX Data to O365 Necessary?

An Outlook user would always know that it is not possible to move an MBOX file directly. You would also learn how certain MBOX file access problems impact these files from the user's perspective. Here are just a few of them:

The MBOX file is either corrupted or missing.

Not Able to Open Emails

Large MBOX files

These problems frequently leave users perplexed, necessitating a move of their MBOX data to a more reliable source. This is the primary explanation for why we must move MBOX data to Office 365.

With that in mind, we must acknowledge that there are essentially two methods for transferring MBOX files to an OWA Webmail account: the manual method and the automatic method.

Converting MBOX files to Office 365 Cloud Manually

The following are the manual steps to export and move the MBOX mailbox database to an Office 365 Webmail account. So, proceed by following the detailed directions for the manual technique.

Step 1: Open Mozilla Thunderbird and configure Gmail.

Step 2: Add or save the emails you wish to open in Outlook in a new folder that you create in the Thunderbird application.

Step 3: In Outlook, choose the emails you want to open. Next, either drag and drop them into the newly created folder or choose Move to move them there.

Step 4: Select the emails you want to add to Microsoft Outlook by opening the application.

Step 5: Drag the file into the newly created Outlook folder. This is how you may view these on the new folder.

Follow the above-mentioned instructions if you choose to utilize the manual approach. On the other hand, this system could be tedious and time-consuming. It is therefore recommended to use the automatic technique using the MBOX emails to Office 365 Convert Tool.

Expert and Secure MBOX Email Export to Office 365

It has been confirmed how to manually transfer MBOX mail to Office 365. Nevertheless, because there are too many mailboxes and you can't drag and drop every file, it is incompatible with massive volumes of data. For O365 Tool, we strongly suggest a third-party product such as CubexSoft MBOX Converter, as this necessitates an automated process and the availability of such an advisor. It makes it easy for non-technical persons to securely and conveniently convert MBOX files to OWA accounts. The MBOX to O365 Tool is vital for you as a user for the reasons listed below:

Thunderbird, Apple Mail, PocoMail, SeaMonkey, Opera Mail, and other supported email clients' MBS/MBX/MBOX files can all have their mailbox data converted by this utility.

You may also export all of the emails and metadata from your MBOX mailbox to Office 365 with the same integrity by using the application. The application also has a filter feature that splits your items into groups before converting. The "From" and "To" options allow you to filter the mailbox data based on a specified time frame.

Again, the program gives you two choices for storing MBOX files in Office 365:

Step 1: Set up and start MBOX Converter on your Windows PC.

Step 2: Choose Add File(s) or Add Folder after importing MBOX files into the application, and then click Next to continue.

Step 3: The application now provides two options for converting MBOX to O365: one that involves impersonation and the other that does not.

(a). If you select the "With Impersonation" option, enter your Office 365 login credentials and transfer all of your MBOX mailboxes to a single Office 365 account.

(b). If you select the "Without Impersonation" option, use the Office 365 login credentials for

Step 4: To start transferring your MBOX files to an Office 365 account, select Export. Additionally visible is the live conversion's status.

Step 5: After the conversion is finished, a new window with the text "Conversion Completed" will appear. Press OK to finish the process after that.

Final Words

If you are experiencing difficulties opening MBOX email files in Office 365, don't panic. Instead, relax and solve the problem of how to rapidly convert MBOX mailbox to Office 365 account by following the above steps. But it is recommended that you obtain MBOX to M365 Tool for yourself in order to achieve the finest results. Use the trial version first to see how to transfer MBOX to O365 before making a purchase.

Read More: MBOX Duplicate Remover