toshiba 3tb hard disk recognized only in disk management, what is the correct procedure to recover data with r-studio 8?

[cinisello-1]

hello everyone I have a 3tb hard disk from the toshiba model dt01aba 300 mz60 that was running on a usb dock station, which following its breakdown was no longer recognized within the windows resources, the hard disk however it is visible only in the disk management of the control panel as shown in the attached screenshot and video
I tried to recover the data with r-studio network release 8.16 after about 7 hours of testing it identified the partitions in the attachment, see attached screenshots tell me if in your opinion the correct procedure has been carried out?
thank you very much cinisello

https://sendvid.com/e6zgqwce


https://ibb.co/zQDq9TX
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https://ibb.co/YkgF882
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https://ibb.co/VDw5zq6
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https://ibb.co/RPq2fRV
https://ibb.co/0CTccB2
https://ibb.co/1f0Fpqd

[Alt]

tell me if in your opinion the correct procedure has been carried out?

Yes. Seems that the file system on the disk is severely damaged. What actually happened to the disk?