LibreOffice
LibreOffice is a free open-source office suite that can open many document, spreadsheet, and presentation formats and export to formats such as PDF.
Limitations: Complex layouts, macros, formulas, fonts, and newer proprietary features may not transfer perfectly. Compare the exported file with the original before distributing it.
Why it is useful
LibreOffice is a free open-source office suite that can open many document, spreadsheet, and presentation formats and export to formats such as PDF. This resource is especially useful for Opening and exporting common office document formats locally. Review the current instructions and limitations from The Document Foundation before relying on it for important work.
Limitations
Complex layouts, macros, formulas, fonts, and newer proprietary features may not transfer perfectly. Compare the exported file with the original before distributing it.