To Convert MBOX FIle to PST with attachments, use a dedicated converter that retains attachments with their associated emails. Aryson MBOX Converter Tool lets you add MBOX files, preview mailbox data, and export emails to PST while preserving the available attachments. The process is straightforward: load the MBOX file, review the emails and folders, select PST as the output format, and start the conversion. Afterward, open the resulting PST in Outlook and verify that the required messages, folder structure, and attachments are available.