Office 2013 64 Bits !!exclusive!! Jun 2026

Legacy VBA code that utilizes Declare statements to call Windows API functions will cause compile errors in 64-bit Office. This happens because pointers and handles are 32-bit in x86 architectures but 64-bit in x64 systems.

You cannot install 64-bit Office apps if you have 32-bit Office apps already installed. It is an "all or nothing" scenario. How to Install Office 2013 64-Bit Office 2013 64 Bits