how to update a date in word

[chusu]

I am looking for an option to update my document anytime I open it can
someone tell me how to do it please.

 

[Greg Maxey]

Put a { DATE } field in the document. Insert>Field>Date

 

[Suzanne S. Barnhill]

See http://word.mvps.org/FAQs/TblsFldsFms/DateFields.htm