You can lock objects to avoid unintentional movement during editing. This is useful for complex pages with many overlapping objects.
Locking objects
| 1. | Use the Object tool  from the Quick access toolbar and select one or more objects that you want to lock. |
| 2. | Choose the ribbon command Format | group Objects | Lock  , or right-click on the object and select Lock Selection in the context menu. |
If you have enabled the option Store layout info in PDF (see Options: Saving tab), objects will remain locked even after saving and reopening.
Unlocking individual objects
Select the Object tool , and click on the locked object. You can confirm the unlocking in the following dialog box:
Unlocking all objects
Choose the ribbon command Format | group Objects | Lock , but click on the arrow of the icon to display its menu rather than on the icon itself. Select Unlock all here.