How to to store variables at specific offset

Is there a way to store variable (in C++) at specific offset in PE file? Similar question: Can I define specific order of variables stored in data section?

I've heard there are programs which can store settings in their executables.

Solution

Depending on the size of data, you could use deprecated (unused) areas of a PE image (like the MS-DOS Stub) to store your variables. The offsets of many of these unused areas are well-known (since they are defined by the PE format).

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