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Checking whether a DLL is 32-bit or 64-bit - Thu, Jun 7, 2018

A very easy method to check whether a particular DLL is x86-64 compatible or not is by using the file command in Linux. If you have bash installed on your Windows, you can type:

file MY_DLL.dll

If it’s a 64-bit DLL, you will see:

PE32+ executable (DLL) (GUI) x86-64, for MS Windows

Otherwise, it prints:

PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

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