If you are using Microsoft Outlook to access your IMAP email account, you can back up your emails to a local PST file. This will create a copy of your emails on your computer, which you can then use to restore your email account if anything goes wrong.

To back up your IMAP emails using MS Outlook, follow these steps:

1. Open Microsoft Outlook.
2. Click on the File tab.
3. Click on Open & Export.
4. Click on Import/Export.
5. In the Import and Export Wizard dialog box, select Export to a file and click on Next.
6. Select Outlook Data File (.pst) and click on Next.
7. Select the IMAP email account that you want to back up and click on Next.
8. Browse to the location where you want to save the PST file and click on Next.
9. Click on Finish to start the backup process.

Once the backup process is complete, you will have a PST file that contains a copy of all the emails in your IMAP email account. You can then store this PST file in a safe location, such as an external hard drive or cloud storage service.

Here are some additional tips for backing up your IMAP emails using MS Outlook:

You can schedule Outlook to back up your email account on a regular basis. To do this, go to File > Options > Mail and click on the Backup Copies button.
You can also password protect your PST file to prevent unauthorized access. To do this, when you export the PST file, select the Encrypt with password checkbox and enter a password.
It is a good idea to test your backup file regularly to make sure that it is working properly. To do this, import the PST file into a new Outlook profile and check to see if all of your emails are present.
By following these tips, you can ensure that your IMAP emails are always backed up and that you can restore them if needed.

Software page: https://www.shoviv.com/imap-backup-and-restore.html

Related resources:
1. https://www.shoviv.com/blog/how-to-backup-imap-emails-from-imap-mail-account/
2. https://www.shoviv.com/blog/methods-to-export-imap-mailbox-data-in-outlook/
3. https://www.shoviv.com/blog/how-to-import-pst-file-into-gmail/
4. https://www.shoviv.com/blog/import-mbox-to-gmail-with-or-without-thunderbird/