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View Thread: A question on XP support in VC11
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    , spivonious wrote

    Word, Excel, and homegrown VB6 apps don't benefit at all from a move to 64-bit.

    Not exactly. Any 32-bit applications can get full 32-bit range of address space in 64-bit environment, if the machine have more than enough RAM (It's not that they can't have that in 32-bit machine, but some of the memory content will be on disk then, and this could mean a performance hit).

    This fact can be useful for applications made with out-of-proc COM+ components.