Why Microsoft Recommends Office 2013 32 bit instead of 64 bit

First We Understand,

What is the Benefit of Microsoft Office 64 Bit:-

64-bit Office allows users to work with larger sets of Excel, Excel Documents, Sheets and Project data. But, there are some compatibility drawbacks for those users who uses Office add-ins and solutions might not work. That’s why 32-bit Office 2013 is recommended for most users.

How to check Software Architecture:-

Go to the task Manager, you can use Ctrl + shift and press Esc shortcut to open the Task manager

how to check 32 bit programs in windows

Above snippet you can see that the 32 bit programs have 32-bit tag along with name