how to find out installed MS-office is 64-bit or 32-bit via registry?

[SRKSHOME]

Hi, How to find out installed MS office 2010 is 32-bit or 64-bit from the registry? googled and fouind couple of links...but seems not working or do not have the registry key. thanks.

[Programm3r]

Hi, Have a look at the following key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Outlook] -> Bitness=x86 Kind regards,

[SRKSHOME]

I also got the same when I googled it.This registry key is not there in my machine.

[Programm3r]

Hmm.... What type of OS are you using? You can always check in your program files. If Outlook was installed in the 'Program Files (x86)', when it should be 32-bit otherwise it's a 64-bit installation?

[markovl]

Although this is the general case, the user may have installed the app in a custom folder - and this check will fail. @OP: If the OS is x64 there should be HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node node and under it, if there's an Office x86 product install, there should be a HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Common\InstallRoot Key with a Path value set. (substitute "14.0" with the appropriate version.) If it's x64 bit version, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Common\InstallRoot Key should be present.

2A

[markovl]

I posted my answer here. I hope this helps.

2A

[SRKSHOME]

I am using Win7 64-bit