Developed 30 years ago by Adobe, the Portable Document Format, or PDF, is widely used around the globe for viewing and signing documents – everything from corporate annual reports and scientific ...
Nearly every computer these days comes with a PDF viewer, a program that allows you to read, print, and sometimes edit a PDF file. In the newest versions of Windows 10, the default PDF viewer is ...
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 ...