To account, follow these simple steps:

Log into Google Admin Console: If you're using Google Workspace, log in to the Google Admin console.
Go to Data Migration: Navigate to the "Data Migration" section.
Set Up Migration: Choose "Email" and select "IMAP" as the source.
Enter IMAP Details: Enter the details of your IMAP email account.
Select Users: Choose the users whose emails you want to migrate.
Start Migration: Click "Start" to begin the migration process.

Your IMAP emails will be imported into your Gmail account.