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.
Using the demo version, you can preview the repaired Excel file and the data within it. To save the file, you need to register for the full version. Excel repair utility that repairs corrupt Excel files (XLSX and XLS) and safely recovers various Excel objects. Select' or 'Search' the corrupt Excel file(s).