Microsoft Office is not installed on this computer

Visual Studio cannot find the Microsoft Office application that corresponds to the project type. If you are developing an VSTO Add-in project, this means that you cannot debug or run the project. If you are trying to create a document-level project, this means that you cannot create the project.

To correct this error

1. Install the Microsoft Office application associated with this project type, including the primary interop assemblies. For more information about supported versions of Microsoft Office, see Configuring a Computer to Develop Office Solutions.

Configuring a Computer to Develop Office Solutions
How to: Configure a Computer to Develop Office Solutions