two files link

I use libre office presentation of Version: (x64)
These days i use microsoft excel and word. Now i have decided to move to libreoffice.
I have some files with formula linking two excel files. When i change the values in one file, it doesnt automatically change in other file. This was well function in Microsoft excel.
The edit link update (automatic & manual) was seen inactive and seems cannot modify.
Screen shot is attached seperately. Kindly help me to active the above function.

(edit: activated screenshot)