There are many alternatives to Microsoft 365 Copilot for Windows if you are looking for a replacement. The best free Windows alternative is LibreOffice, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Microsoft 365 Copilot and many of them are free and available for Windows so hopefully you can find a suitable replacement. Other interesting free Windows alternatives to Microsoft 365 Copilot are ONLYOFFICE, Apache OpenOffice, Collabora Office Classic and WPS Office.
Comprehensive free office suite supporting word processing, advanced spreadsheets, dynamic presentations, vector drawings, math formulas, and robust database management. Fully compatible with major office formats across all operating systems, it offers extensive capabilities for personal or professional tasks.
Germany
EU
Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.
LatviaEU
Apache OpenOffice is a leading open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, databases and more. All data is stored in an open standard format, though Open Office can also read and write files from other common...
United States
On-premise office suite featuring advanced word processing, spreadsheets, and presentations, unmatched compatibility with 100+ formats, OOXML support, six-month updates, enterprise hardening, Visio and Publisher import, PDF export, and support for 50+ languages.
United Kingdom
A comprehensive, free office suite offering high compatibility across formats. Supports Android, iOS, Windows, Linux, macOS, and handles text, presentations, spreadsheets, and PDFs. Features document collaboration, multiple languages, strong privacy, and user support.
China
Euro-Office is a self-hostable document server — documents, spreadsheets, presentations, and PDFs — designed to integrate with a platform such as Nextcloud.
SoftMaker Office for Windows, Mac, Linux and Android – the fast, powerful and compatible office suite.
GermanyEU
Experience LibreOffice in your browser with ZetaOffice, featuring device access, self-hosting or CDN deployment, API for tailored integration, and data control. Enjoy a comprehensive suite with Writer for formatting, Calc for data analysis, and Impress for presentations, optimized for performance.
GermanyEU
Suite for secure email, calendaring, file sharing, chat, and online meetings, offering real-time collaboration on docs, GDPR compliance, customizable branding, renewable energy use, advanced user management, and all data hosted in Switzerland.
Switzerland
MobiOffice is a cross-platform office suite for Windows PC, Mac, Android, and iOS. It has powerful modules for DOCUMENTS, SPREADSHEETS, PRESENTATIONS, and PDF files.
MobiOffice is compatible with Microsoft Word, Excel, PowerPoint and Adobe PDF files.
BulgariaEU
Collabora Office brings the familiar Collabora Online experience to your computer - so you can create, edit, and present with a beautiful, modern UI. Built on LibreOffice, it delivers excellent interoperability with ODF and Microsoft Office formats (DOCX/XLSX/PPTX), and exports...
United Kingdom
Open source office suite for users used to MS Office - multi-platform, tuned for performance.
FranceEU
