To Check In Checked Out Documents, Using Local Document Organizer

Open Local Document Organizer (Tools > Local Document Organizer).
Select View > Check Outs.
All of the documents you currently have checked out display in the list.
Select one or more documents in the list.
Do one of the following:

To check in the document(s) and delete the copy of the document from your working directory, select Action > Check In.

or
To check in the document(s) and retain the copy of the document in your working directory, select Action > Check In Leave Copy.