Trouble opening recovered raw file

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I'm trying to open a recovered Raw file from an old hard drive, photoshop wont open it but my canon software will and my mac preview shows it as well I'm all up to date with my adobe software need some help please
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Duncan McNaught

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Posted 1 month ago

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Roelof Moorlag

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The mac previes shows the embedded JPG in the RAW file so it does not render the RAW data.
The Canon software probably does and my advice is to open it there and save it as Tiff.

Why did you have to recover this file from a backup?
If it's file corruption than maybe your backup is 'invected' too?
Do you have other/older backup to put from?
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Duncan McNaught

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Hi, I have copies of the file as TIff when i first edited it, i really need to original unedited raw file for competition use as some coms require it for authentication, its from a drive i had all my images stored on but some are not opening but some are, it may be i'm screwed and cannot do anything to open it, 
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Roelof Moorlag

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If you use a recent version of Photoshop and it will not open the file then it must be corrupt. The only way to get an original is to find another backup.

However, if the Canon software will open it and you can safe it as tiff i think there are options to generate a .CR2 file again. I could not find the information about this but i read something about it some time ago.
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Todd Shaner, Champion

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some are not opening but some are
Open one of the corrupt files in Canon Digital Photo Professional and then use File> Save As and add a -1 to the name so you don't overwrite the original CR2 file. That may make it work in Adobe apps.
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Duncan McNaught

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thank you but still not working, guess I'll just have to give up 
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Todd Shaner, Champion

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You can try the Adobe DNG converter. That should still be considered the original raw file as many people use 'Copy as DNG' on import and delete the original camera raw files on the memory card.

https://helpx.adobe.com/photoshop/using/adobe-dng-converter.html