BizTalk Map Viewer

A local-first VS Code custom editor for BizTalk .btm map files.

Features

• Opens .btm files directly from the Explorer.
• Shows source and target schema roots and references.
• Lists direct links and functoid connections per map page.
• Exposes functoid IDs, constants, and embedded script bodies.
• Filters mappings by paths, constants, and script content.
• Updates when the underlying text document changes.

Install locally

Source code: GitHub repository

npm run package:vsix
code --install-extension artifacts/biztalk-map-viewer.vsix --force

Reload VS Code after installation, then click a .btm file. If VS Code has a previous editor association, use Open With..., choose BizTalk Map Viewer, and select Configure default editor for '*.btm'.