You want to know how to back up IMAP to PST without any data loss. You should go with this software, ViceVersa IMAP Backup and Restore. This tool comes with some features like a data range, an easy-to-utilize interface, etc., and it doesn’t need any technical knowledge everyone can use it very simply. This utility can backup PST to IMAP without any data loss and also other file formats, which include PDF, EML, HTML, MBOX, and others. With this software, a big quantity of emails can be simply backed up and restored. Versions 11, 10, 8.1, 8, 7, XP, and Vista of the Windows operating system are working with them. The software's free versions are available for users to test out and explore its capabilities.