What buttons does the Format tab bar have?
Beside the general buttons, the Format tab bar provides the following buttons.

Format painter: Transfers the format from one item to another.

Font format: Provides the available font formats for selection.

Bold: Applies bold formatting to a text.

Italic: Applies italic formatting to a text.

Underline: Applies underline formatting to a text.

Strikethrough: Applies strikethrough formatting to a text.

Font color: Opens the color palette for you to change the color of the selected text.

Font: Provides all fonts available for the selected text.

Font size: Enables you to change the font size for the selected text.

Reset character formatting: Undoes all formatting changes.

Increase indent: Increases the text indent from the left margin.

Decrease indent: Decreases the text indent from the left margin.

Bullets: Applies a bullet to each paragraph of the selected text.

Numbering: Turns the paragraphs of the selected text into a numbered list, starting at 1.

Align left: Aligns selected text to the left.

Centered: Aligns selected text to the center.

Align right: Aligns selected text to the right.
See also
What are tab bars for?