Table Activation

Hi,

Good day experts,

Actually i have to updatethe standard table which is DFKKOP.

I have to add three standard fields to DFKKOP. but in my Company this table plays mojar roll.

I need Suggestions from u. before going to table activation. which type of protactions has to take for table activation.

i hope , first i have to back up the data in to spreed sheets.

and by the Basis-people, Table should be deactive.

then i have to start the table updation.'

i know these things. if any other than that. plz let me know.

Regards,

kk.