I have a number of excel files containing filled survery, now I would like to have one master document that would have summary result of each.
Thus I imaging to have for
You are on the right track. It is not difficult and I don't think there is an easier way to get data from another workbook. Write a function and you can reuse the code easily.
If the macros are only needed to compile the survey data, you can remove the macros from the xls file that is filled out. Otherwise you will need to modify the security permissions on each computer or digitally sign the project.