Help me plz my external hard drive don't work after I used etcher

its my external hard drive :F After I flash tails image file in etcher in this drive, I can;t see my hard drive in folder anymore and I can’t use it… how to recover this? plz help me I think its seperated I can’t understand it :(( what’s EFI system patition? I can;t use 930.1 gb part

You should be able to format it back to whatever filesystem you like using your systems tools for that. The tails image contained multiple partitions (EFI enables you to boot into it)