FTB File in Family Tree Maker 2019 refers to the backup file format used to securely store your complete family tree data, including photos, charts, and records. Creating an FTB file ensures your genealogy research stays protected from data loss, corruption, or software issues. This format is essential for safely transferring, restoring, or sharing your Family Tree Maker tree. If you need help managing, opening, or fixing FTB files in FTM 2019, contact our expert support team at +1-888-257-3335.