Aviv F. You can also do this in Excel
Assuming your full name data is in Column A and you want first names in Column B and last names in Column C:
Copy =LEFT(A1, FIND(β β, A1) - 1) in the first cell of Column B
Copy =RIGHT(A1, LEN(A1) - FIND(β β, A1)) in the first cell of Column C
Drag down on both columns to apply for all names