• In Windows Explorer, right-click the file that you want to lock, and select Workspaces > Lock. To release the file, right-click the file and select Workspaces > Unlock
• If you are working on a Microsoft Office file, locate the Workspaces ribbon in the Home tab and click Lock file.

The file is locked for 24 hours, and during that time can only be unlocked by you or a workspace administrator. After that time, the lock is automatically removed.