Computer crash? Power went out during a storm? And you were in the middle of editing a budget spreadsheet and didn't get a chance to save your work? Ugh.
Microsoft Office programs (which include Word, Excel, PowerPoint) are by default set to automatically save an open file every 10 minutes. So when you re-open the program, your file should still have all the changes you have made — except for the last 10 minutes of work. (Your file may retain more recent changes if you manually saved it yourself by pressing Control+S on the keyboard.)
10 minutes between autosaves not good enough for you? Me neither. Here's how to better protect your hard work: