How do I backup my IMAP account mailboxes with attachments? Are you also having an IMAP account and want an instant solution for resolving how do I backup my IMAP account emails query, then use Mac IMAP Backup Tool. The software is simple to use that allows both technical and non-technical users to effortlessly resolve how do I backup my IMAP account mailbox query. Using its various advance filters, users can smartly backup selective emails from IMAP account to PST, PDF, EML, MSG, MBOX, OLM, CSV, HTML, Office 365, IMAP Server, Gmail, Outlook.com, Google Drive, Dropbox etc. Free demo of the tool is also available to help you resolve how do I backup my IMAP account mailbox query, but with the limitation of first 25 emails per IMAP folder.