Location of the SharePoint Index File

Drive Letter:Program FilesMicrosoft Office Servers12.0DataOffice ServerApplicationsGuidProjectsPortal_ContentIndexer

E:Program FilesMicrosoft Office Servers12.0DataApplications6fdca65d-06ea-4642-ad5c-727c4438de0dProjectsSearch

This folder contains .bsd, .bsi, .ci, .cix, .csd, .csi, .dia, .dir, .lex, .wid, and .wsb file types.

Use it to obtain the ‘size’ of your index.