Office XP
- Windows 64-bit: C:\Program Files\Microsoft Office\Office10\
- Windows 32-bit: C:\Program Files (x86)\Microsoft Office\Office10\
Office 2003
- Windows 64-bit: C:\Program Files\Microsoft Office\Office11\
- Windows 32-bit: C:\Program Files (x86)\Microsoft Office\Office11\
Office 2007
- Windows 64-bit: C:\Program Files\Microsoft Office\Office12\
- Windows 32-bit: C:\Program Files (x86)\Microsoft Office\Office12\
Office 2010
- Windows 64-bit: C:\Program Files\Microsoft Office\Office14\
- Windows 32-bit: C:\Program Files (x86)\Microsoft Office\Office14\
Click-To-Run
- Windows 32-bit: C:\Program Files\Microsoft Office 14\ClientX86\Root\Office14\
- Windows 64-bit: C:\Program Files (x86)\Microsoft Office14\ClientX64\Root\Office14\
Office 2013
- Windows 32-bit: C:\Program Files\Microsoft Office\Office15\
- Windows 64-bit: C:\Program Files (x86)\Microsoft Office\Office15\
Click-To-Run
- Windows 64-bit: C:\Program Files\Microsoft Office 15\ClientX86\Root\Office15\
- Windows 32-bit: C:\Program Files (x86)\Microsoft Office15\ClientX64\Root\Office15\
Office 2016
- Windows 64-bit: C:\Program Files\Microsoft Office\root\Office16\
- Windows 32-bit: C:\Program Files (x86)\Microsoft Office\root\Office16\
Click-To-Run
- Windows 64-bit: C:\Program Files\Microsoft Office 16\ClientX86\Root\Office16\
- Windows 32-bit: C:\Program Files (x86)\Microsoft Office16\ClientX64\Root\Office16\
If you never heard of Click-To-Run installation mode, more here…
GUID
The installation GUIDs: https://support.microsoft.com/en-us/kb/234788:
Office XP
- Word: {8E46FEFA-D973-6294-B305-E968CEDFFCB9}
- Excel: {5572D282-F5E5-11D3-A8E8-0060083FD8D3}
- PowerPoint: {FC780C4C-F066-40E0-B720-DA0F779B81A9}
- Access: {CC29E967-7BC2-11D1-A921-00A0C91E2AA3}
- Office: {20280409-6000-11D3-8CFE-0050048383C9}
Office 2003
- Word: {1EBDE4BC-9A51-4630-B541-2561FA45CCC5}
- Excel: {A2B280D4-20FB-4720-99F7-40C09FBCE10A}
- PowerPoint: {C86C0B92-63C0-4E35-8605-281275C21F97}
- Access: {F2D782F8-6B14-4FA4-8FBA-565CDDB9B2A8}
- Office: {90110409-6000-11D3-8CFE-0150048383C9}
Office 2007
- Word: {0638C49D-BB8B-4CD1-B191-051E8F325736}
- Excel: {0638C49D-BB8B-4CD1-B191-052E8F325736}
- PowerPoint: {0638C49D-BB8B-4CD1-B191-053E8F325736}
- Access: {0638C49D-BB8B-4CD1-B191-054E8F325736}
- Office: {0638C49D-BB8B-4CD1-B191-050E8F325736}
Office 2010
32-bit
- Word: {019C826E-445A-4649-A5B0-0BF08FCC4EEE}
- Excel: {538F6C89-2AD5-4006-8154-C6670774E980}
- PowerPoint: {E72E0D20-0D63-438B-BC71-92AB9F9E8B54}
- Access: {AE393348-E564-4894-B8C5-EBBC5E72EFC6}
- Office: {398E906A-826B-48DD-9791-549C649CACE5}
64-bit
- Word: {C0AC079D-A84B-4CBD-8DBA-F1BB44146899}
- Excel: {8B1BF0B4-A1CA-4656-AA46-D11C50BC55A4}
- PowerPoint: {EE8D8E0A-D905-401D-9BC3-0D20156D5E30}
- Access: {02F5CBEC-E7B5-4FC1-BD72-6043152BD1D4}
- Office: {E6AC97ED-6651-4C00-A8FE-790DB0485859}