How to Install Office 2000 on Excel 2007

Installing Office 2000 without Excel 2000
1. Insert your Office 2000 installation CD. A dialog box should open.
2. Provide details about your name and organization as well as the 25-digit CD key to continue the installation process, then select the 'Next' button. You will be redirected to another dialog box containing the Office 2000 End-User License Agreement; read it. If you agree, select the 'I accept' option, then click 'Next' to continue with the installation process.
3. Select 'Customize' as your installation type, then select all Office 2000 component programs except Excel 2000.
4. Click on the 'Install now' button to finalize the installation process.
Installing Excel 2007 without Office 2007 component programs
5. Insert your Office 2007 CD. A dialog box will open, asking you to enter your Office 2007 key.
6. Enter your Office 2007 key, then select 'Continue.' You will be redirected to another dialog box, where you will accept the Microsoft Software Terms; accept the terms to continue.You will see another dialog box asking you to choose your installation type.
7. Install only Excel 2007 by selecting the 'Customize' option. Click the 'Installation options' tab, then choose the 'Not available' option for all of the component programs except Excel 2007. Click the 'Install now' button.