How to convert TSV to CSV using openoffice

How do convert TSV file to CSV format开发者_StackOverflow using openoffice ?

TSV = Tab separated ?

If so, just give it a .txt extension, open in the spreadsheet program (Calc) as CSV, the Wizard will ask you which is the field separator, choose TAB. Afterwards, save it as a (true) CSV.

Only solution that I found was find and replace, I used my emacs to replace "tab" with "," and it worked.