This lock feature allows to prevent the document temporarily from being changed by those shared users or collaborators in the document.

Here:

 

• Only the document owner  can lock or unlock the document.
• Collaborators on the document can see locked document, but they cannot edit the data.
• Collaborators on the document can see the changes made to the document by the owner.

To lock or unlock a writer document while collaborating, you can follow the below steps:

1. Open the document and click on the Share button in the toolbar.

2. Select Check-Out/Check-In to Lock/Unlock the document.

When a document is locked by the owner, it displays the locked status at the top-bar of the document for the shared users.