If the text box won't resize in Word or Excel, check if the document is opened in the Compatibility Mode, and convert it to a newer format.

Learn how to delete a text box without removing text in Word or Excel using Format Shape pane, setting the text box to No Outline, and more.

Right-click the text box and select "Format Shape" from the drop-down menu to change the appearance of the text box. Select "Fill" to change the background color.

Have you ever tried to drag the header columns in an Excel spreadsheet to make them fit the text? I have and just when I think I’ve got it right, a quick glimpse down the line of columns usually ...