LibreOffice is a free and open source office suite that was developed from OpenOffice.org in 2010. It includes programs for word processing, spreadsheets, presentations, drawings, databases, and mathematical formulas. LibreOffice is available in 110 languages.
The document discusses how to create and edit text documents, use common formatting tools like inserting headers and footers, and create an e-book in LibreOffice. It also covers how to record and run macros, perform mail merges to personalized multiple letters or documents, and more.