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evo-excel-io

Provides utility functions for loading, scanning, and saving Excel workbooks with openpyxl 3.1.5, including handling merged cells, detecting placeholder markers, and preserving formatting when writing numeric values back.

tasks-evolved/xlsx-recover-data/environment/skills/evo-excel-io/SKILL.md

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Sep 10, 2026
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Apache-2.0

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# evo-excel-io

Utility functions for safe Excel I/O with openpyxl 3.1.5.

## Key Features
- Monkey-patches openpyxl 3.1.5 AppVersion bug to prevent chart corruption
- Safe cell value reading that handles MergedCell objects
- Scanning all sheets for "???" placeholder markers
- Writing recovered numeric values with proper type casting
- Preserving cell formatting during value replacement

## Usage

```python