If you modify or delete any system or site tool
shortcuts or add any user shortcuts in Rational® ClearCase® Explorer,
you can remove all modifications.
Do either of the following:
Click Tool > Options > Shortcut Options.
In the Toolbox Shortcut pane, right-click and select Options.
In the Tool Shortcut Options window, click Reset
to Defaults.
This resets all system tool shortcuts in Rational ClearCase Explorer.