If you are having trouble converting Maildir to PST, the MacSonik Maildir Converter can help. This tool lets you easily convert Maildir files into PST, EML, PDF, HTML, MBOX, and other formats. It also supports moving Maildir files to email accounts like Gmail, Hotmail, AOL, IMAP, Yahoo Mail, and more. With this software, you can import many Maildir emails into Outlook PST files at once. There’s also an option to keep the same folder structure in the new PST file. The tool works on both Windows and Mac operating systems.