Start the SysInfo DBX to PST Converter as an administrator on your system.

Click on the Add Files button to browse the DBX files from your system.

Select the DBX files from the system to convert and click on the Open button.

Now, you can check all the added DBX files in the preview panel and remove those not required. Click Next.

Further, click the Browse (...) icon to choose a location folder to save the resultant file. Click OK.

Choose the required options to enhance the output file:

• Add New PST file in Outlook Profile: It allows you to add the PDF file to your Outlook profile.
• Save Folder in Hierarchy: Mark this to preserve the original folder hierarchy during conversion.

You can also assign a unique name to the output folder as desired.

Opt for this feature to make the resultant folder password-protected. Moreover, you can also view the added password by checking the Show Password option.

Click on the Convert button to start the conversion of Outlook Express into Outlook PST format.

A tab pop-up on your screen that shows the Conversion process completed. Click OK.