Google "filemaker backup script"
Assuming the database is regularly backed up as it's structure is modified.
If the database is running on FMPS, the scheduler is used for automatic backups of the database and it's data.
And the backups created by FMPS are regularly backed up onto other storage devices.
Many experienced users would suggest that is adequate.
If the database is running on FMP, the backup scripts in the links in the Google search above are reasonable options.