To add text to a placeholder, first select the placeholder in your document or presentation. Then, click inside the placeholder box and start typing your desired text. You can also copy text from another source and paste it into the placeholder. Finally, format the text as needed using the available text formatting options.
If you add more text to a placeholder, like a text box, than the placeholder can contain, text resizes to a smaller font to fit in the placeholder. That is Autofit.
When you type text in a placeholder in Microsoft PowerPoint, it becomes a text object
Alignment ist he horizontal placement of text in a placeholder in PowerPoint.
solid line
placeholder text
the Autofit Options button
the Autofit Options button
When you enter text in a field that initially displays a placeholder, the placeholder text disappears, and your input becomes the visible content. This interaction helps users understand what information is required in the field. Once the text is entered, the placeholder is no longer needed, as the user's input provides clarity on the data being collected. If the input is cleared, the placeholder may reappear to prompt the user again.
text control
controlTemplateA templateIt
I
The text may extend beyond the placeholder. If the option to wrap the text has been set, it can go onto a new line. The creator may take other approaches, such as changing the font size of the size of the placeholder or maybe rephrasing the text so that it is shorter.