To Specify Whether a Block Reference Can Be Exploded

 
 
 

  1. Open a block definition in the Block Editor.
  2. In the Block Editor, make sure nothing is selected.
  3. In the Properties palette, under Block, click Allow Exploding.
  4. On the drop-down list, select Yes or No.
  5. Click Block Editor tab Open/Save panel Save Block.
  6. (Optional) If you are finished using the Block Editor, click Close Block Editor.