The best way to back up the data stored in any IMAP email is by using the tool called SysInfo IMAP backup tool. The tool is safe and there is no loss of data. Generally, the emails have attachments with them. The Sysinfo tool is well-equipped to convert the files into other formats with the attachments. The tool creates the proper backup with the attachments. You can move the IMAP emails to their email clients also like Office 365, Gmail, Yahoo, and Hotmail. You can even choose the file format in which you want to keep the data. It supports PST, PDF, EML, MBOX and MSG.
Simple steps to back up the IMAP Emails to PDF are:
You can use an email client or third party application that supports conversion. Start by configuring your email client to connect to your IMAP email account.