About Microsoft Office 2016/2019/2021 32-bit -

: While most VBA code works on both, 32-bit Office is required for older VBA code that uses 32-bit Declare statements or specific API calls without the PtrSafe attribute. Key Version Differences (32-bit)

The 32-bit versions of these suites are designed primarily for compatibility rather than raw performance. ABOUT Microsoft Office 2016/2019/2021 32-bit

Microsoft currently recommends the 64-bit version for almost all users to leverage better processing power and security features (like Hardware-enforced Stack Protection). You should only opt for the if: : While most VBA code works on both,