Email Header UDL for Notepad++

This is an XML-based User Defined Language (UDL) configuration file for Notepad++ that enhances the readability and analysis of email header data during forensic investigations.

Usage

1. Open Notepad++
2. Choose Language -> User Defined Language -> Define your language...
3. Choose Import... and select Email_Header_v.1.0_swepeba_UDL_NotepadPlusPlusL.xml
4. Restart Notepad++ if import was successful.
5. Open or insert email header content in a new tab.
6. Choose Language -> "Email Header (light mode) v.1.0 - swepeba".
7. Now, the syntax highlighting will be applied.

Release notes

ver. 1.0 (2026-06-11)

• First release.

License

Copyright (c) swepeba. Licensed under the MIT License.