About Accessing Historical Tag Values from Other InTouch Applications

You can use the InTouch HistData utility to extract data from historical log files to a comma separated value (.csv) file. Applications like Excel can extract InTouch log data directly from HistData as a DDE client or import log data from the output file created by the HistData utility.

The figure below shows the process to save selected historical log data to a file or a DDE client application.