In this case you must make sure that you release oWorkbook also, since it holds a reference to oExce. And you must release it before oExcel.

oWorkbook=.null.
oExcel=.null.
Relase oWorkbook
Release oExcel

>Hi.
>I've created an Excel object named 'oExcel'.
>Then, I've loaded a XLS file and read information from it.
>When done I've issued 'oExcel.Quit()'.
>I've noticed in the Windows Task Manager that the process
>'excel.exe' didn't unload from memory. To unload it I've had
>to issue an 'Release oExcel'.
>Is that the correct way?
>Here is the pseudo-code
>
>

>vFile = 'my file'
>oExcel  = CreateObject("Excel.Application")
>oWorkbook = oExcel.Workbooks.Open(vFile)
>
>... bla bla bla ...
>
>oExcel.Quit()
>RELEASE oExcel
>