Checking In a Document
When you have edited and saved a document and are no longer using it, you should save the changes on the server by right-clicking the object and selecting Check In from the context menu. Alternatively, you can select the object and press the Alt key, and then select from the menu bar. After this, other users will be able to check out the document and edit it.
Checking in with comments
You can comment on changes you made when you check in a document. Right-click the object and select Check In with Comments. Alternatively, select the object and press the Alt key, and then select . In the Check In dialog, you can enter description of the changes you made. The comments are displayed in the Comments view of the object.