Repair Your Microsoft Office Installation Software by Britec
Repair Your Microsoft Office Installation Software
Repairing Your Microsoft Office Installation
This procedure detects and repairs problems that are associated with installed Microsoft Office programs, such as registry settings and missing installation files. This procedure does not repair personal files, such as worksheets, PST and templates.
Office 2003 sp3
https://www.microsoft.com/en-us/download/details.aspx?id=8
Office 2007 sp3
https://www.microsoft.com/en-us/download/details.aspx?id=27838
Office 2010 sp1
https://support.microsoft.com/kb/2510690