Change page margins:
1. Go to Layout, Margins.
2. Select a predefined option - Normal, Narrow, Moderate, Wide - or
Select Layout, Page Setup to set custom margins.
Set default margins
You can change the default settings, which will be used for any new documents.
1. Go to Layout, Page setup.
2. Select a predefined option - Normal, Narrow, Moderate, Wide - or
Select Layout, Page Setup to set custom margins.
3. Select Set as Default.