Open your document in Word for the web
Go to the Design tab
Select Page Color
Choose White
If Page Color is not available, go to View
Turn off Dark Mode if it is on
Refresh the page if the background does not change immediately
Open your document in Word for the web
Go to the Design tab
Select Page Color
Choose White
If Page Color is not available, go to View
Turn off Dark Mode if it is on
Refresh the page if the background does not change immediately