Unlocking a master document removes the lock placed on it by a project copy. You might want to unlock a master document in order to start a document workflow on the master document or to create another project copy. However, the master document was probably locked for a good reason and you should first find out why it was locked before unlocking it.
A master document may be unlocked from either of two places:
Note:
Unlocking is recursive. This means that unlocking a master document will also unlock any referenced documents.
