A locked package can be unlocked by a user with Administrative permission as long as there are no ZIP files for any of the associated deliveries and none of the deliveries associated with the package have been sent. If you try to unlock a package that contains one or more ZIP files or sent deliveries, an error will message appear telling you that the package cannot be unlocked.

The Unlock action is available from the Actions menu for the latest version of a locked package. When you select Unlock, the lock icon will be removed from the package, indicating that it is available for modification.

This action may be useful if you want to allow other users to modify this package. An unlocked package has the same capabilities as a package that has never been locked.