In the Project menu tree, choose one of the following:
To undo checkout of an individual file, right-click a file that is checked out (indicated by a red checkmark icon).
Right-click the Scripts, Data Files, or Include Files nodes to select all files of those types at once.
To undo checkout of an entire project, right-click the project node.
Select Undo Checkout from the context menu.
The Undo Checkout dialog opens, showing the local path to where the file or project is located.
If required, deselect individual files that you do not want to check out.
Click the Undo button to undo the check out.
The status icon of the file or project now appears as a blue padlock, indicating that the source control version of the file
is read-only.