If you have created captions and want to split or merge them, use the Split caption feature or the Enter and Backspace keys. Utilizing these options will help preserve all the styles you applied during creation.

1. In the right menu, select the block you want to split and place the cursor.

2. You can either use the Split caption feature or press the Enter key to split a caption.

To merge a selected block with the previous one, follow these steps:

1. In the right menu, select the block you want to merge.

2. Place the cursor at the beginning of the text.

3. Press the Backspace key.