To draw a rectangular text box:
Select any of the Pointer Tool, Text Tool, Reshaping Tool or Rotation Tool.
Hold down the Command key and drag to draw a rectangular text box having a single text column. A 'Text Box' label is displayed during drawing.
When drawing is completed, a text cursor is auto-inserted in the text column and the Text Tool is auto-selected, ready for text input.
Alternatively, you can use the Text Box Tool, as described here:
Alternatively, if you drag and drop text onto an area of page or canvas containing no shapes, a new rectangular text box will be created automatically to hold the text.
NOTE: Optionally, use the Shift key modifier during drag and drop to force the creation of a new shape container to hold drag and drop contents, even when you drop over an existing shape.