Rename or delete a workspace
You can manage the set of workspace layouts that you have saved by using the Manage Workspaces window.
On the Window menu, click Manage Workspaces.
In the Manage Workspaces dialog box, under Select a workspace, do one of the following:
Double-click the name of the workspace that you want to change.
Click the name of the workspace that you want to change, and then click Rename.
The name of the workspace configuration becomes editable.
Type a new name. To save the name, press the TAB key, click Apply, or select another workspace configuration.