Using the Combo Blocks plugin, you can easily query posts by alphabetically for Post Grid or Post Grid – Filterable Gutenberg blocks.
To begin, insert the “Post Grid” or “Post Grid – Filterable” block.
From the List View make sure you’ve selected Post Query nested block. This selection is important to access all the available block settings for “Post Query”.
Now under Query Post => Add Query Params select the Orderby option.
Now from the Orderby dropdown select the Name option.
To change the Ascending or Descending order you’ve to use the Order option.
That’s how you can query posts by alphabetically for “Post Grid” or “Post Grid – Filterable” Gutenberg block. If you still need help, please create a support ticket on our forum.