WD 10SPZX no physical damage it started working very slow. the client need certain files which I used MRT file explorer to find and save but most of the pdf and SLXS are corrupted and can not be opened. I was wondering if there is a way to repair them. I tried to open some of them with HxD and this is what I got.

will cloning the hard drive to another hard drive fix this problem?

The 2nd file header seems to me its an excel file (healthy), but the file has a PDF extension
rename & try

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Kuwait Data Recovery - UNIX GTC
The only reason for time is so that everything doesn't happen at once. By: Albert Einstein

perhaps drive reads from wrong location, so file repair will fail coz there is probably no good data in these files at all...

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Adatmentés - Data recovery

The "PK" signature denotes compression. What does 7Zip say when you try to open your file?

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A backup a day keeps DR away.

https://www.disktuna.com/repair-fix-a-c ... -write-up/

I have used the method with XLSX files too, assuming it's what you actually mean by SLXS.

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Joep - http://www.disktuna.com - video & photo repair & recovery service

Thanks for the suggestion but unfortunately it didn't work. probably i need to fix the slow response issue and clone it.

yes I agree with you.

Thanks for the help. tried it on different files but no luck.

So then you need to recover them again and correctly this time.

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Joep - http://www.disktuna.com - video & photo repair & recovery service