01/ LibreOffice
Best for: A full desktop office suite.
Opens and saves Word, Excel and PowerPoint files.
Runs on: Windows, macOS, Linux
Visit LibreOfficeOffice & Productivity · Office suite
Free alternatives to Microsoft 365 (Word, Excel, PowerPoint)
Microsoft 365 (Word, Excel, PowerPoint) by Microsoft: Word processing, spreadsheets, presentations and email. Pricing: subscription. Here are 3 free options that cover the same job.
| Alternative | Type | Platforms | Best for | |
|---|---|---|---|---|
LibreOfficeOpens and saves Word, Excel and PowerPoint files. | Open source | Windows, macOS, Linux | A full desktop office suite | Get it |
ONLYOFFICE Desktop Editors | Open source | Windows, macOS, Linux | A familiar ribbon layout with strong DOCX/XLSX fidelity | Get it |
Google Docs, Sheets and Slides | Free | Web, iOS, Android | Real-time collaboration in the browser | Get it |
 Microsoft 365 (Word, Excel, PowerPoint)The paid original | Subscription | – | Office suite | Visit |
The alternatives in detail
Open source
02/ ONLYOFFICE Desktop Editors
Best for: A familiar ribbon layout with strong DOCX/XLSX fidelity.
Runs on: Windows, macOS, Linux
Visit ONLYOFFICE Desktop Editors03/ Google Docs, Sheets and Slides
Best for: Real-time collaboration in the browser.
Runs on: Web, iOS, Android
Visit Google Docs, Sheets and SlidesFrequently asked questions
Is there a free alternative to Microsoft 365 (Word, Excel, PowerPoint)?
Yes. LibreOffice is a strong free option for a full desktop office suite. Other choices include ONLYOFFICE Desktop Editors, Google Docs, Sheets and Slides.
Which Microsoft 365 (Word, Excel, PowerPoint) alternative is open source?
LibreOffice, ONLYOFFICE Desktop Editors are open source.