Data recovery Excel file fragmentation recovery case

Case:
An important Excel file stored in the U disk is deleted by mistake, and the file must be restored.

Solution:
After this problem, the customer did any operations to the U disk. The peers have tried it with general software such as RSUTDIO. The recovered files cannot be opened. Through communication with customersIt can be judged that the probability of fragmentation (non -continuous storage) of the file is quite high.You can see that “fragment: 1″” can be seen using Winhex