1. Go to Insert > Text Box and then select either Draw Text Box (where the text aligns horizontally on the page)
2. Or Vertical Text Box (where the text aligns vertically on the page).
3. Select in the document, and then drag to draw the text box the size that you want.

Select Draw Text Box or Vertical Text Box from the Insert > Text Box menu to position the text horizontally or vertically on the page, respectively. Make your desired text box size selection and then drag it into the page.

Select Draw Text Box (where the text aligns horizontally on the page) or Vertical Text Box (where the text aligns vertically on the page) from the Insert > Text Box menu. Select a text box in the document and drag it to the desired size.