A year ago, Microsoft celebrated 10 million Outlook Lite downloads. Effective Oct. 6, however, Redmond says it's being retired 'so we can focus our investments' on the main Outlook app.

Tiffany Wendeln Connors was a senior editor for CNET Money with a focus on credit cards. Previously, she covered personal finance topics as a writer and editor at The Penny Hoarder. She is passionate ...