Someone is searching for advice on Converting PST Files into MBOX so that name is eSsoftTools PST to MBOX Converter Software. It works very simple and smooth steps without any difficulty. Users can move emails from a PST file to an MBOX file beginning at a given date using the mail filtering function of this PST to the MBOX program. The Demo edition is available to all customers. In the trial edition, you can convert up to 25 email items per folder for free.
Install Mozilla Thunderbird if you don't have it already.
In Outlook, export the desired emails or folders to a format like EML.
Open Thunderbird and navigate to "Tools" > "Import".
Choose "Mail" and then "File".
Select the exported EML files and click "Open" to import them.
Right-click the imported folder and choose "Export" > "Email Messages".
Select "MBOX Files (*.eml)" as the file format and specify the output location.
Start the export process to convert the EML files to MBOX format.