Property lists are essentially XML files with a .plist extension. Here's how to edit them using the command line in the macOS Terminal app.

Matt Thommes at the Paint in the Tech blog finds it tedious to create filters in Gmail the multi-click way. His solution? Export a single filter, then make a few clever tweaks to the resulting XML ...

Mary provides a beginner's walkthrough of new functionality for using XML, allowing you to separate the data in a document or worksheet from its presentation in Word 2003 and Excel 2003.