Did the unexpected happen? Use these steps to recover unsaved Office files.

[Windows Central]

If you accidentally close a document without saving or the app or system crashed unexpectedly, use this guide to recover the unsaved content in Office.
It's just a matter of time until you accidentally close an Office application without saving its content. Or your computer or app crashes unexpectedly while working on that important project due at the end of the day.

Full story from the WindowsCentral blog...