To save the information displayed in the I/O Trace capture window, select File»Save As. In the dialog box that appears, select a name for the trace file.
Note A .nitrace extension is usually used for saving NI I/O Trace capture information. If you want the NI I/O Trace information to be saved automatically, as soon as the API call is recorded, use file logging. Alternately, you can also export data as a .txt or .csv file. But unlike a .nitrace file, you cannot import an exported NI I/O Trace file at a later time.