Your Mac comes pre-configured to open specific file types with default apps. Click on a web link, and it launches Safari. Open an email notification, and you're directed to Apple's Mail app. This ...

We have a Konica c280 printer/copier, but I'm the only Mac user here. It always defaults to 2-sided printing, and I'd like to make the default 1 sided. But how do I do that? From the Print dialog from ...