Case:
Customers delete an Excel file of almost 1M due to mistakes and urgently need to do data recovery.
Solution:
Restoring a 1M Excel file, for the XLS form, this file is relatively large!The corresponding SAT table was found through the file header information, and then the end of the file is basically determined through the DCumemt Summary Information information, and then the idle sector situation is viewed according to the FAT configuration table, and the sector data is extracted!Depending on the information provided by the user, and combining the file structure, the file is successfully extracted!