Problem description:
This volume does not contain a recognizable file system, indicating that the file system structure of this disk is damaged. The disk shows that the volume does not contain a recognizable file system. The data recovery method can see the text to understand the specific recovery method (recovery method without formatting) 
Tool/software: Extreme data recovery software
Step 1: After Baidu search and download the software to open, directly double-click the partition to be restored. 
Step 2: The software will quickly put the found data in the directory with the same name as the disk to be restored. 
Step 3: Tick the data to be restored Click the save button in the upper right corner, then click the "Save As" button to copy the checked file. 
Step 4: The last step is to wait for the software to COPY the data. 
Note 1: If you want to restore the mechanical hard disk, this volume does not contain a recognizable file system, you need to pay attention, you must first restore the data and then format it.
Note 2: This volume does not contain a recognizable file system. The recovered data needs to be temporarily saved to other disks.