Overwrites your changes to a file, and copies the latest checked in version to your development environment working directory.
To use the Undo Check Out command:
Dialog Box Options
Lists the currently checked out files. Click the files whose check out you want to undo, or click Select All to select all the listed files.
Displays the Undo Checkout Advanced Options.
Confirms the selection.
Cancels the selection.
Selects all files listed.