LibreOffice is a free, open source Microsoft 365 alternative. You can change the page orientation in Writer, Calc, and Draw by following these steps.

This guide shows you different ways of changing the page orientation in Excel from portrait to landscape. Make it horizontal or vertical.

Changing an entire page in Google Docs to from Portrait to Landscape is possible. This article explains how to chenge page orientation.

Margins are an essential way to keep a document clean and concise. Follow these steps to change margins on Google Docs.