ONLYOFFICE Desktop Editors is a free office suite that opens and saves Microsoft formats (DOCX, XLSX, PPTX) with excellent fidelity. It combines a document editor, spreadsheet and presentation tool in one app.

Key features

• High-fidelity support for DOCX, XLSX and PPTX

• Documents, spreadsheets, presentations, forms and PDF in one suite

• Works fully offline — no account required

• Collaboration and connection to cloud storage when you want it

• Available for Windows and macOS

Is ONLYOFFICE free?

Yes. The ONLYOFFICE Desktop Editors app is free and open source under the AGPL for personal use on Windows and macOS.