MBOX files can be opened by Apple Mail, the standard email client on macOS, which also offers a simple method for exporting emails as PDFs.
Bring the MBOX in: Go to File > Import Mailboxes > in Apple Mail. Choose “Files in MBOX format,” then go through your file.
Open the folder that was imported: The emails will appear in a new mailbox called “Import” when they have been imported.
Choose, then print to PDF: After selecting the desired emails, select File > Print. Click the “PDF” button in the lower left corner of the print dialog box, then choose “Save as PDF.”
Users can also download the BLR MBOX Converter Tool to convert MBOX files to PDF format. This tool can simply convert all MBOX files to PDF format without any data loss. There are users can download this solution in any Windows OS edition. Try the free demo edition of BLR MBOX Converter Tool.