What is an FTMB file? Backup file created by Family Tree Maker, a genealogy organization program; contains backup data for a .FTM or .FTW Family Tree file, such as family data, media files, and historical events.

More Information To create the FTMB file: Select File → Backup... . A "Backup" window should open with the default name of your FTMB file, change it or keep it. Choose the location where you want to save the FTMB file. "Removable media" means a CD, DVD, external hard drive, USB flash drive, etc. "Working directory" is the location where your current work is saved. "Custom directory" is whatever save location you desire. Finally, decide what data you want included in the FTMB file and click OK .