Change the Show this number of Recent Workbooks, Documents,Presentations setting, to increase or decrease number of Recent files in Word, Excel, PowerPoint.

For the first scenario described above, the way to recover your never-before-saved file is to, first, open Microsoft Excel. Then go to the File tab on your Ribbon and click Open. Click Recent and then ...

Didn't save your Excel workbook on a Mac? Here are four methods for recovering lost or unsaved Excel files on your Mac.