The testing team follows Software Testing Life Cycle (STLC) which is similar to the development cycle followed by the development team. There are following six phases in every Software development life cycle model: Requirement gathering and analysis. Design.
If you simply deleted an XLS file, DiskInternals Excel Recovery will look up the file system to find all XLS files that were deleted recently, and test each file for the possibility of successful recovery.
This video lesson covers file recovery using the Microsoft Office AutoRecover and AutoSave features. You'll learn to recover an Excel 2013 workbook... even if you have never saved it using Excel's amazing Versions feature. You'll be able to recover an Excel 2013 workbook if your computer crashes or there is a power cut.