MAC OSX files not useable after being on Windows HD?

Rick7

Registered
I had some MAC/PC DVD's. I do not have them now.
Some of the DVD's in this set - I copied from 1 DVD Drive to another DVD Burner.
Some of the DVD's - I copied the data to my PC hard drive and then burned DVD's later.
Each of the 19 DVD's had 2 - 2GB files on it.

Now, all files work on PC as they should.
In MAC OSX only the files that never went to the PC drive work. (DVD-DVD Copy)
The files that went to the PC HD show up with correct name and file size in OSX, but are grayed out and have a generic icon.

Did something get stripped from the files when they were writen to the PC HD?
Is there anyway to make these readable by OSX again?

Thank you,
Rick
 
Did they have proper file extensions like .doc or not. If not copying them to a PC will lose all the metadata, like what kind of file it is. You might just be able to rename them with the appropriate extension to make things work. Of course you cannot rename them on the DVD so you will need to copy them off of there first.
 
MisterMe's suggestion is an important one that may be lost on some.

Often times, double-clicking on a file that is slightly corrupt or where the computer fails to recognize it appropriately will not open the file.

However, if you open the correct application first, and use the applications "open" command, and then browse to the file, you will often have success.

Just thought I should spell that out.
 
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