You can launch excel through a batch file

"C:\Program files\microsoft office\office\excel.exe xcel_filename.xls"
the macro that runs automatically when the file is opened will execute. the
macro must specifically close the file prior to exiting excel.

you would need to have either a excel file with a macro to run all the
updates or run each file from the batch file.
Jerry

"booleenbrain" wrote in message
...
hi,
what do you mean by invoke???

-----Original Message-----
I would like to automate updating of a number of excel
spreadsheets. Is
there any way to invoke excel without opening excel or a
excel spreadsheet.
.