The MS Outlook IMAP Backup Wizard lets users back up IMAP emails and other mailbox items like tasks, contacts, and calendars. It can back up complete mailbox data to different file formats and email clients. The tool allows you to back up both single and multiple email accounts. It is also fully compatible with all recent and older versions of Windows.

Here are the simple steps to back up IMAP email:
1. Install and open the IMAP Backup Tool on your PC.
2. Click the "Continue" button to start.
3. Select the "Single Mode" option for backing up one email account.
4. Expand the folder tree and click "Next."
5. Choose Gmail or a file format, then click "Next."
6. Select the login option, and you'll be redirected to the login page.
7. After logging in, apply any filters you want.
8. Finally, click "Next" to complete the process.

To know more: https://www.msoutlookhelp.com/imap-backup/