On Fri, 09 Oct 2015 01:21:37 -0700, gall.pavgal.gall wrote: > Thanks Laura! > But i need to change existing excel file and if i use the optimised > reader, i can read data only, but i can't change data.
I know it does not help but if you have this amount of data being stored in a spreadsheet you are probably using the wrong technology. This sounds like a typical example of miss-using a spreadsheet as a database. once your current issue is resolved you may want to investigate moving the data to a more sensible format. -- _________________________________________ / We Klingons believe as you do -- the \ | sick should die. Only the strong should | | live. | | | | -- Kras, "Friday's Child", stardate | \ 3497.2 / ----------------------------------------- \ \ .--. |o_o | |:_/ | // \ \ (| | ) /'\_ _/`\ \___)=(___/ -- https://mail.python.org/mailman/listinfo/python-list