I need to explain this and if you still need more information, please let me know.
No, you an run check disk in a flash drive just like other computer drives like drive C. It will scan your data and checks if there are inconsistencies with the file structure and attempts recovery of the lost files.
The scenario is, when a file is written on the drive and part of the files are not written correctly, then the file is corrupted. It will not open normally. If the data that was not written correctly to disk is so "big" part of the file, the file will not open at all. In minor data corruption, the file opens but the some part of the file is not readable.
Now, I see this corruption as a flash drive issue, not a file issue. You cannot use any Excel Recovery software at this stage of recovery because the file is not even readable because of the chunks of data that is missing or written in a damaged part of the flash drive.
So the best approach here, I highly suggest is to scan the flash drive for recoverable data. This is where the checkdisk method I gave you is important.
Now, if after doing the check disk and the file is still NOT opening, please use this free tools to recover your data from the flash drive. These are the best tools to recover the data, NOT just Excel files.TestDiskhttp://www.cgsecurity.org/wiki/TestDisk
Second tool is Reccuva, here is the download link:http://www.piriform.com/ccleaner/download/standard
This tools will recover corrupted data from a drive, even those already deleted data, NOT just Excel files.
Not, if the file is recovered, that is the time that you will use your Excel Recovery Tools or software to recover the Excel data of the recovered file since this recovered file can now be read by the computer.
The best tools actually are these listed below:
You can try to download the DEMO version then test if the tool can read the recovered file. If it can read it, then recovery will then take place.
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