Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

Today in History for Jan. 23: In AD 638, the Islamic calendar was created and first used. In 1492, the Jewish Pentateuch was ...

From HCA adding hospitals in New Hampshire and Florida to Sanford Health and Marshfield Clinic Health System finalizing their 56-hospital merger, here are 39 hospital mergers and acquisitions ...