Script Download: ChangePaperSize(VBA).zip
http://gallery.technet.microsoft.com/scriptcenter/Change-Default-Paper-Size-451f74f8

This VBA sample shows how to Change the default paper size in Word such as Letter to A4, A4 to A5.

Many users asked this question about how to change the default paper size (Letter) to others (A1, A2...B1, B2...) automatically.

image image
image

You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery