One of the best ways to secure IMAP emails is by using the IMAP Backup Tool. It provides a simple and efficient method to download your mailbox from the server to a computer or external drive. The tool supports multiple export formats like PST, MBOX, and PDF. You can apply filters to save selected folders or date ranges. It maintains all attachments, metadata, and folder structure during the process. Suitable for personal and professional use, it helps prevent data loss and keeps your important emails accessible offline anytime.