To add a textbox to the board, click the Textbox icon from the toolbar, then click on the board where you want to add it, the textbox appears as shown in the below example:

Enter the text you want. To resize the box, drag the box edges and corners.
Textboxes can be managed through the toolbar highlighted above as follows:
- Change the background color of the textbox by clicking the first icon as shown below:

A color picker is displayed. You can click the color you want.
- Click A to change the text color, if you want.
- Select the font type and size, each from its menu.
- Select the text alignment, either left, middle, or right.
- Select the font style, if you want, i.e. bold, or italic.
- Click the Lock icon to lock the textbox and prevent changing its location and properties, such as font type, size, and color. The icon changes and you can click it again to unlock the textbox.
- Click the comment icon to add a comment. More information on comments is available in Comments.
- Click the three dots to select similar objects on the board, bring the selected object to the front or send it to the back, or remove the selected object.
- Click the upper handle of the textbox and move the mouse to rotate it.