A4 is the most popular page layout when it comes to printing and documenting. However, Word also allows you to create and save documents in A5 page format.
How To Create an A5 Formatted Page
To create A5 page, open your document in Word and go to the
Page Layout >
Page Setup. Next, click on the
Size button >
More Paper sizes:
In the window that opens up configure your page size.
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