Detect whether Office is 32bit or 64bit via the registry

Question

Now that Office also comes in a 64bit install, where in the registry do you find out if the version of Office installed is 32bit or 64bit?

Answer 1

Not via the registry but via commandline tools:

https://stackoverflow.com/a/6194710/2885897

C:\Users\me>assoc .msg

.msg=Outlook.File.msg.15

C:\Users\me>ftype Outlook.File.msg.15

Outlook.File.msg.15="C:\Program Files (x86)\Microsoft Office\Root\Office16\OUTLOOK.EXE" /f "%1"