https://help.myob.com/wiki/x/-Iei
You can easily restore a backup copy of your MYOB Payroll file. Note that restoring a backup replaces the current payroll file you have open. If you want to retain this version, you need to make a backup of this file before restoring.
Moving Payroll to a new computer? See Moving MYOB Payroll to a new computer.
You are now ready to continue using your payroll and your data will be as it was when you made the backup.
Creating a backup
Payroll user guide