want to move spool to internal table and then to excel file

I have a requirement to move the spool to the internal table.

I have a spool request number and internal table with me,and iam using FM RSPO_RETURN_SPOOLJOB and from the internal table i need to download it to the excel file.can any one give solution for this.

And let me know the parameters that need to be passed to the FM RSPO_RETURN_SPOOLJOB in detail if possible.

with regards,

Ramu