Undo Checkout (CATIA V5)
This action reverses the checked out state for the selected CAD object and enables you to revert to the object version that was originally checked in.
The Undo Checkout action can be accessed from:
• the File menu in CATIA V5.
• the right-click menu in CATIA V5.
• the Windchill workspace File menu.
• the 
icon on the Windchill workspace and on the Object List table tool bar.
icon on the Windchill workspace and on the Object List table tool bar.An Undo Checkout action accomplishes the following.
• Reverses the checked out state for all the objects and the generic, and releases the checked out lock. Even if the Independently Modify Instances preference is set to Yes in Windchill, the generic and all the instances are selected by default when you perform the Undo Checkout action.
• Cancels any changes that were made to the object after it was checked out.
The workgroup manager client preference Undo Checkout Overwrite Local Content specifies whether the object content is overwritten in cache by default when using the Undo Checkout action. The preference default is set to No, meaning that model content is not overwritten in cache when using this action. For more information, see Frequently Used Preferences in the wgmclient.ini File.