If you want to Import MBOX files to an IMAP server without losing any attachments, data or emails then use the safest and most secure eSoftTools MBOX Converter Software. The tool easily imports MBOX files to the IMAP server in a few seconds or minutes. The tool also supports other email clients, for example, Thunderbird, ClawsMail, Kmail, PowerMail, OperaMail, SeaMonkey, AppleMail, etc. The tool is compatible with all older and newer versions of the Windows OS including Windows 7, Windows 8, Windows 8.1, Windows 10, and Windows 11. Exports up to 25 emails from every MBOX file to IMAP server and other supported formats including EMLX, EML, NSF, PST, MSG, Gmail, Office 365, and YahooMil in the free trial edition of the tool.