Launch the tool as an administrator and choose MBOX as we consider the source an MBOX file.

Automatically the MBOX File Migrator Tool window will appear. Click Continue, to begin the process.

Click the Add File or Add Folder option to select and add the email files that you want to convert.

Browse the files from your system and click the Open button to add the selected files.

You can check the added MBOX files. Click Next to continue further.

Expand the tree format and select the file or folder. Additionally, preview the message and attachment. Click Next to continue.

Select PST from the drop-down list of Save/Backup/Migrate As to convert the file.

The tool provides you with different filters and feature options. Some of the exclusive features are:

• Skip Duplicate Email(s): Utilize this option to remove all duplicate files based on To, From, Subject, and Body.
• Migrate or Backup Emails Without Attachment files: This option excludes the attachments.
• Split Resultant PST: Select this option to break large PST files into smaller files.

Furthermore, some more filters and features that OST Converter has are:

• Date Filter: Choose this to filter the files between the specific Time Period.
• Custom Folder Name: Use this option to enter a name for the resultant folder.

Click the Path to Save button to enter a destination location for your output file.

Finally, click the Convert button to convert the email files to PST Format.

A process is completed, and a message will appear on the screen. Click OK. In addition, click the Download Report button to view the detailed report.

Start the software as an administrator and choose PST as we consider the source a PST file.

Automatically the PST File Converter window will appear. Click Continue, to begin the process.

Click the Select File or Select Folder option to choose and add the email files that you want to convert.

Browse the files from your system and hit the Open button to add the selected files.

You can check the PST file's path, type, and size. Click the Next button to continue further.

A prompt will appear to confirm the successful file import. Click OK to proceed.

Expand the tree format and select the file or folder. Additionally, preview the message and attachment. Click Next to continue.

Select email clients and then, Office 365 from the list of Save/Backup/Migrate As to convert the file.

Enter the credentials of your Office 365 account. You can choose to migrate through Client Secret ID or Modern Authentication. If choosing modern authentication, once authentication is successful, return to the tool.

The tool provides you with different filters and feature options. Some of the exclusive features are:

• Remove Duplicate Mail on basis of To, From, Subject, Bcc & Body: Utilize this option to remove duplicate files.
• Maintain Folder Hierarchy: Select this option to maintain the original folder structure intact.

Some more features offered by the tool are as follows:

• Migrate or Backup Emails without Attachment Files: Use this feature to exclude attachments during migration.
• Select Mailbox: Choose either of the three options: Mailbox, Public, or Archive Folder to transfer your files.

Furthermore, some more filters and features that PST Converter has are:

• Date Filter: Choose this to filter the files between the specific Time Period.
• Custom Folder Name: Use this option to enter a name for the resultant folder.

Finally, click the Convert button to migrate the email files to Office 365 Format.

A prompt to notify that the conversion is completed will appear on the screen. Click OK. In addition, click the Download Report button to view the detailed report.