Desperatley need help !

I copied an online conversation into notepad and now its not readable
I need this for a court case in 48 hours or I'm sunk
Can anyone please help me
I cant upload the file for some reason but I'm happy to email it
I have no idea what has gone wrong

What format is the file - audio , text , video...? Are You sure the file is completely downloaded ? May be you just copied the link and not file itself.

I have saved it as a text file

I'm getting Chinese, Korean and what look like text symbols corrupted,

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I don't think there's much that can be done with it.

You don't need a PDF reader for that Jack, it's just a text file.