How to make a shared workbook and allow user to edit ranges

[prdecina]

SIR/Ma'Am,



I Am Ryan Here at Philippines,

I am having problem in making a shared workbook and allow user to edit ranges.

when i am making my excel file a shared wordbook it automatically disable the option Allow user to edit ranges.

i want probably 3 user to access the shared workbook put in our server , in sheet 1 i will give them 3 columns each to access.

Can you help me with this one. this will help my co worker to may the our process flow more easier..


Thank you very much in advance.