1) Table Block

New Post, Add Block, Create.

Look under Formatting to find the Gutenberg block for Table.

If you know the number of rows and columns, and want to fill in each data cell manually, then this will work for you.

Table code is displayed when you “Edit as HTML”
Copy this HTML text to use later in a plugin
Update and View Post

NEXT: We’ll paste the HTML code into a plugin, and create the exact same table in your test post by using a shortcode.