Campbell Scientific RTDAQ Software - Manual (Page 364)

Appendix B. Importing Files into Excel
Step 2 of 3
From the Delimiters group box, select Comma and Space. The Comma
option directs Excel to place each data value, which is separated by a comma,
into a separate column. The Space option will separate the Date and the Time
into two columns.
From the Text Qualifiers list box, select None. Select the Next button.
B-2