To adjust the page size go to Layout -> Size and click on the page size you want to use. Usually the default page size in a standard Word document is A4 but if it is not for whatever reason it should be changed to size A4.
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To adjust the page size go to Layout -> Size and click on the page size you want to use. Usually the default page size in a standard Word document is A4 but if it is not for whatever reason it should be changed to size A4.