send mail in excel format

Hi Experts,

I have developed a report which has given the

Due Date Analysis on Customers. When i run the Report then

automatically mail will send to customer in Excel format.

what are the FM's used for this and what is the Procudure to Send a mail thro abap report?

I am using alv list for my output display.

so from the Internal table itab_out , i want to convert to excel file.

Is there any FMs available?

Thanks,

Neptune.M