xlsx-editor
Excel Editor - Editing Existing Files
Overview
This skill provides specialized workflows for editing existing Excel files while preserving their integrity. It addresses the unique challenges of modifying live workbooks: maintaining formula relationships across tabs, preserving formatting and structure, ensuring data insertion maintains sort order, and guaranteeing completeness of multi-tab updates.
When to Use This Skill
Use this skill when:
- Modifying existing Excel files (not creating new ones)
- Working with multi-tab workbooks where changes must cascade correctly
- Adding data that needs to integrate with existing tables while maintaining sort order
- Updating formulas that reference cells across multiple sheets
- Preserving complex formatting, merged cells, or conditional formatting
- Ensuring all related tables across tabs are updated completely
Critical Principles for Editing Existing Files
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