Annotation
- Introduction
- PDF Security and Annotation Enhancements
- Spreadsheet and Data Management Improvements
- Collaboration and Visual Presentation Upgrades
- Pros and Cons
- Conclusion
- Frequently Asked Questions
ONLYOFFICE Docs 9.1: PDF Redaction, Enhanced Charts & Collaboration Tools
ONLYOFFICE Docs 9.1 introduces PDF redaction, enhanced charts, and collaboration tools for improved document security and team workflows.

Introduction
ONLYOFFICE Docs 9.1 introduces PDF redaction, enhanced charts, and collaboration features for better document security and team workflows.
PDF Security and Annotation Enhancements
New PDF redaction tools hide sensitive data permanently. Annotation functions include comments, highlights, and drawings. Charts and SmartArt can be embedded in PDFs.
Spreadsheet and Data Management Improvements
Bidirectional text support for multiple languages. LOOKUP formulas are faster, improving data analysis. Enhances competitiveness in productivity tools.
Collaboration and Visual Presentation Upgrades
Customizable comment panels for team discussions. Diagrams can use external data sources. Comprehensive chart formatting and section breaks improve presentations.
Pros and Cons
Advantages
- Advanced PDF redaction for security
- Enhanced chart editor with more options
- Improved LOOKUP formula performance
- Customizable collaboration panels
- Bidirectional text support
- External data for diagrams
- Comprehensive office suite
Disadvantages
- Steep learning curve
- Limited vs premium alternatives
- Some tools need server setup
Conclusion
ONLYOFFICE Docs 9.1 advances open source office software with PDF redaction, enhanced charts, and collaboration tools, strengthening its position in document management.
Frequently Asked Questions
What is PDF redaction in ONLYOFFICE Docs 9.1?
PDF redaction permanently removes sensitive information from documents by blacking out selected text or images, ensuring confidential data cannot be recovered or viewed by unauthorized users.
How does ONLYOFFICE 9.1 improve collaboration?
The update enhances collaboration through customizable comment panels, improved annotation tools, and streamlined team workflows with better distinction between resolved and open discussions.
What are the new chart editor features?
The enhanced chart editor offers more formatting options, external data sources for diagrams, and comprehensive control over visual presentations.
How does bidirectional text support work?
Bidirectional text support allows text to flow left-to-right or right-to-left within spreadsheet cells, accommodating various languages.
What performance upgrades are included?
Performance improvements include faster LOOKUP formulas and optimizations that accelerate data analysis and spreadsheet operations.
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