# Notepad Tabs: mapping saved tab files

> Notepad Tabs maps the binary format of Windows Notepad’s saved and unsaved tab files. It documents NP headers, paths, content, selection positions, SHA-256 and CRC fields, plus unsaved edit chunks, and supplies sample dumps and an ImHex pattern.

- Type: Case study
- Targets: App
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/JustArion/Notepad-Tabs>
- Primary source: <https://github.com/JustArion/Notepad-Tabs/blob/37b1fd87aa77fadbd568a6fd2494f7e1cc1b57dc/.github/readme.md>
- Catalog page: <https://awesomerea.org/resources/notepad-tabs-format-case/>
- Record JSON: <https://awesomerea.org/resources/notepad-tabs-format-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/notepad-tabs-format-case/index.md)

## Requirements & limits

- **Prerequisites:** Windows Notepad tab files to inspect; ImHex to use the included pattern.
- **Limits:** Some fields in the format map remain unidentified.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/JustArion/Notepad-Tabs/blob/37b1fd87aa77fadbd568a6fd2494f7e1cc1b57dc/.github/readme.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.