how to check MS office version installed on the machines

Question

I am working on a console app which perform some operation on registry. I am not using any interop assembly for office but i need to to know office version. How to determine which version of MS office is installed on the machine using C#.

Answer 1

Search in (using the Registry class)

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\App Paths

or

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\App Paths

Version numbers are

• 7.0 -97
• 8.0 - 98
• 9.0 -2000
• 10.0 -2002
• 11.0 -2003
• 12.0 -2007
• 14.0 -2010

Here is a c# implementation

Answer 2

I had the same requirement, but I also have to find out whether office installed is 32-bit or 64-bit. I have documented my solution here:

http://cyrilbeschi.blogspot.com/2014/03/how-to-find-microsoft-office-version.html