ONLYOFFICE Docs
Online spreadsheet editor with highest Excel compatibility
Open, edit, and collaborate on XLSX files online without Microsoft Excel or Google Sheets. Work with powerful spreadsheets, keep full control of your data, and choose cloud or self-hosted deployment.
Work with any spreadsheet format without friction
Open, edit, and convert spreadsheets with full structure and formatting preserved no matter where your data comes from.
- Seamless support for XLSX, XLS, ODS, CSV, TXT, and more
- Open both modern and legacy files without compatibility issues
- Import and clean CSV data with flexible settings
- Convert spreadsheets to XLSX for consistent editing
- Export to PDF, XLSX, ODS, CSV, and other formats
Built for full Excel compatibility
Switch from Microsoft Excel without breaking your workflows.
- Native XLSX engine for maximum accuracy
- Open complex spreadsheets without layout or formula issues
- Preserve charts, tables, and formatting
- No need to rebuild or reformat your files
Create and analyze spreadsheets with powerful tools
Build anything from simple tables to complex analytical models using a full set of advanced features.
- 400+ formulas and functions for calculations
- Pivot tables for fast data analysis
- Charts and visualizations for clear insights
- Conditional formatting and data validation
- Named ranges, filters, and sorting tools
Collaborate on spreadsheets in real time
Work together on the same spreadsheet with no delays, duplicates, or version conflicts.
- Real-time co-editing with multiple users
- Comments and mentions for team communication
- Version history and change tracking
- Flexible permissions to control access
Automate calculations and workflows
Save time by automating repetitive spreadsheet tasks.
- Create and run macros using JavaScript
- Create new macros without writing code
- Convert existing VBA macros for seamless migration
- Apply templates for recurring workflows
Work smarter with built-in AI assistance
Accelerate spreadsheet tasks with AI-powered tools.
- Generate formulas and analyze data instantly
- Summarize datasets and extract insights
- Convert existing VBA macros and create new ones
- Connect your preferred AI provider
Protect your spreadsheets with full control
Keep sensitive data secure with flexible protection settings and enterprise-grade security.
- Set passwords for entire spreadsheets, workbooks, or individual sheets
- Hide formulas to protect calculations and business logic
- Lock cells, shapes, and text to prevent unwanted changes
- Allow editing only for specific users and defined data ranges
- Control access with permissions and secure sharing options
Integrate spreadsheets into your applications
Embed powerful spreadsheet editing into your own platform.
- Add spreadsheet editing to web apps via API
- Customize UI, features, and permissions
- Connect your storage and backend systems
Extend functionality with plugins and integrations
Adapt the editor to your workflows with a flexible plugin system.
- Import data from external services
- Use plugins for advanced calculations
- Translate content directly in spreadsheets
- Insert media and external content
Connect. Integrate. Build.
Connect ONLYOFFICE Docs and apps to your platform, embed into your ecosystem, or build your own workspace.
ONLYOFFICE desktop and mobile appsONLYOFFICE apps
Your documents, everywhere
Access, edit, and collaborate on documents from any device without losing control over your data
Why choose ONLYOFFICE
A powerful alternative to Excel and Google Sheets
Open and edit XLSX with perfect compatibility - no broken formatting or formulas
Collaborate in real time with no version conflicts or data loss
Built-in AI with privacy-first approach
Keep full control of your data with secure cloud or self-hosted deployment
Integrate easily into your existing tools and workflows
| Feature | ONLYOFFICE | Google Sheets | Excel Online |
|---|---|---|---|
| XLSX compatibility | True native support, no formatting loss | Partial, formatting may break | Native support |
| Co-editing modes | Fast & Strict modes for flexible workflows |