T Sandbox button. This will open Sandbox mode.
![Enter sandbox mode Enter sandbox mode](/documentation/gantt/files/4.1/data-center-and-server/126026188/126026190/1/1633091229000/Sandbox+Button.png)
Next, open the Sandbox selector and select Create New.
![Create a new sandbox Create a new sandbox](/documentation/gantt/files/4.1/data-center-and-server/126026188/126026189/1/1633091229000/Create+New+Sandbox.png)
Name the sandbox, add a description (optional), and click Create.
![](/documentation/gantt/files/4.1/data-center-and-server/126026188/126026191/1/1633091229000/Create+Sandbox+Dialog.png)
That's it! As you make adjustments to the Gantt chart, they will be applied to the new sandbox and will not affect the live chart.
See Also