Unlock
From OpenKM Documentation
Available
- Pop-up menu of document browser.
- Edit menu.
- Toolbar.
The unlock option allows you to unlock a previously locked document. This operation can only be carried out by the user who previously locked the document.
Administrator force unlock
From OpenKM version 5.X it's available force unlock document for any user with administrator grants, althought it'll not be the user who locked the document. In this case it'll be showed a confirmation popup to unlocking document.