. If you are looking to migrate PST file to Gmail, Yota PST Migrator is a strong choice. It supports heavy mailbox data without slowing down. Even PST files with thousands of emails migrate smoothly. The tool does not crash during processing. Emails are transferred steadily. Attachments of all sizes are supported. Folder structure remains intact. Metadata is preserved properly. You do not need to split PST files. This saves extra work. Gmail receives complete data accurately. The interface remains responsive throughout the process. This tool is suitable for users with large Outlook mailboxes.