Coming soon: MSBuild binlog viewer will display the import chain at the bottom as you move the caret in the preprocessed text.

You can then click on any import to highlight it in the tree.

Then you can press Space on any import to jump back to the preprocessed text where that file is imported.

https://github.com/KirillOsenkov/MSBuildStructuredLog/wiki/Viewer-UI#preprocessed-projects