Best Free Alternatives to Microsoft Office 2026

Microsoft 365 costs $70+/year. These free alternatives are compatible with .docx, .xlsx, and .pptx files.

Free, cloud-based, real-time collaboration. Works on any device. The best option for most people. Opens and saves Office files.

✅ Free✅ Collaborative✅ Cloud

Offline desktop suite. Word → Writer, Excel → Calc, PowerPoint → Impress. Full compatibility with Office formats. Open source.

✅ Free✅ Offline✅ Open Source

Best .docx/.xlsx formatting compatibility. Interface looks just like Microsoft Office, making transition easy.

✅ Free✅ Office-like UI

Very polished Office alternative. Good mobile apps too. Free tier has ads and some limits.

✅ Free tier⚠️ Ads

Our Recommendation

For individuals: Google Docs for everything. For offline work: LibreOffice. Both are completely free and handle Office files well.