.GDOC File Extension

File created by Google Drive, a desktop client used for synchronizing remote Google Docs and Google Drive files with the local computer; does not store the document itself, but instead contains a reference to the document online in Google Docs; opens the document in the user's default browser when double-clicked.

After installing the Google Drive desktop client, the user's Google Docs documents are accessible within a special folder named Google Drive, which is on the local hard drive. This folder is used to synchronize files with the remote Google Drive.