https://support.microsoft.com/en-us/kb/316951

Method 3: Search for AutoRecover files

If the Recovery pane does not open, manually search for AutoRecover files (.asd files). To do this, follow these step, as appropriate for the version of Word that you are running. 

Steps for Word 2013

1. On the File menu, click Open, and then click Recent Documents.
2. Scroll to the end of all recent documents, and then click Recover Unsaved Documents.
3. If you find the Word document that you are looking for, double-click it to open it.
4. Save it immediately.