National Instruments Measure Data Acquisition User Manual page 22

Your tasks are saved as part of the Excel workbook. Each time you
launch Excel and open a workbook that contains Measure tasks, they
appear in the task list of the DAQ tasks dialog box.
This section describes how to use the DAQ Tasks dialog box, shown in
Figure 2-9, to manage the tasks in a workbook. You can open this
dialog box by selecting DAQ»ConfigureDAQTasks from the menu
bar.