In NinjaTrader 8 you can create a backup in order to have a copy of your workspaces and their layouts.
These backups can also be loaded onto other computers running NinjaTrader 8 if you are planning to trade on a different machine.
You can create a backup of your workspaces by following these steps:
1. Disconnect from all connections.
2. From the 'Control Center' click on the 'Tools' menu.
3. Select 'Export' > 'Backup File...'
4. Select what you would like as part of the backup and click 'Export' to save the file.