You can now change any currently scheduled report through the following
steps:After logging into ReportBuilder, click "Schedule" Select the
scheduled task you wish to update with your tweaks Click "Edit..." Click
"Select..." at the very top-right of the window (it isn't the easiest to
spot) Either select the workbook that is open that contains the tweak or
load the tweaked workbook from your computer. Press OK and the OK again,
and you will have modified that scheduled task to contain all of you...