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Left margin 1.8cm, right margin 1.8cm, top margin 3cm, bottom margin 2cm.
When you change a page to landscape orientation, Word changes the left margin to 2cm and the top margin to 1.8cm. This pushes a chart or table title uncomfortably close to the running header.
2cm. You have to manually fix these back to top 3cm and left 1.8cm by going to Layout > Margins > Custom margins and manually changing adjusting the numbers in the Margins section.
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