If you are looking for a solution to migrate folders from one Gmail account to another then try the
Advik Gmail Migration Tool on your system. The software can
transfer Gmail folders to another Gmail account quickly. This is a safe program that does not save your login details. It preserves data integrity and mailbox folder hierarchy during the process.
Steps to Migrate Gmail Folders to another Gmail Account.
1. Run the tool and sign in.
2. Choose mailbox folders.
3. Select Gmail as a saving option.
4. Enter another Gmail account login details and click Backup.
The software will start migrating data from one account to another.