You can easily stop any command you have launched.
To stop a command
From the details pane, select the message for which you want to
stop a command.
Right-click to open the shortcut menu.
To stop an automatic command, select CommandsStopAutomatic. You can verify that the
command was successful by looking in the message browser status
column. The A column displays an S if the command was
successful, an F if the command failed.
To stop an operator-initiated command, select CommandsStopOperator Initiated. You can verify
that the command was successful by looking in the message browser
status column. The O column displays an S if the
command was successful, an F if the command failed.