The size of short bond paper in Microsoft Word is 8.5 inches (width) by 11 inches (height), which is equivalent to 21.59 cm x 27.94 cm. When setting up a new document in Microsoft Word, the default paper size is set to short bond paper. If the default setting in Microsoft Word is not for short bond paper or the Legal size paper option is unavailable, you can manually set the paper size by selecting Layout>Size>More Paper Sizes. A page setup window will be available. Click the Paper tab, then use the drop-down button. Scroll all the way to the bottom of the list and select Custom size. Set the paper width to 21.59 cm and the height to 27.94 cm.