We are committed to using the best commercially available technology and procedures to protect the security of your data. Your messages are not stored at all.
Your privacy is a high priority for us. We will not give your information to any third parties — we do not rent, share or trade your personally identifiable information with third parties. We do not keep any of your personal account information or data once the migration is finished. We do not keep or share copies of your emails, contacts, usernames or passwords after transferring your data.
Please let me know if you have any further doubts or questions about our tool and I will be happy to help you out!