How to change backcolor for all pages?

[ant1688]

I can change backcolor every page, it is time consuming.
Anyone can kindly tell me how to work for all pages together?

[arthur]

How do you manage to change single page's background color? :-)
Actually, once you change the background color of the page, all pages of the file will be changed, too.
Edit -> Preferences -> Document Colors -> Replace document color ->Custome color, customize your preferred color, press OK, then Mission Completed!