csharp:: check office version 32bit 64bit

 

 

        public enum BinaryType : uint
        {
            SCS_32BIT_BINARY = 0, // A 32-bit Windows-based application
            SCS_64BIT_BINARY = 6, // A 64-bit Windows-based application.
            SCS_DOS_BINARY = 1, // An MS-DOS – based application
            SCS_OS216_BINARY = 5, // A 16-bit OS/2-based application
            SCS_PIF_BINARY = 3, // A PIF file that executes an MS-DOS – based application
            SCS_POSIX_BINARY = 4, // A POSIX – based application
            SCS_WOW_BINARY = 2 // A 16-bit Windows-based application
        }

        [DllImport("kernel32.dll")]
        static extern bool GetBinaryType(string lpApplicationName, out BinaryType lpBinaryType);


        public int GetOutlookBitness(string FilePath)
        {
            int bitness = 0;

            if (File.Exists(FilePath))
            {
                BinaryType type;
                GetBinaryType(FilePath, out type);


                switch (type)
                {
                    case BinaryType.SCS_32BIT_BINARY:
                        bitness = 32;
                        break;
                    case BinaryType.SCS_64BIT_BINARY:
                        bitness = 64;
                        break;
                }
            }

            return bitness;
        }