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How to Change Squares vs. Circles in Microsoft Forms Multiple-Choice Questions

Algirdas Jasaitis Oct 10, 2026 870 views

Question details

The user wants to understand what controls the option shape (squares vs. circles) in Microsoft Forms multiple-choice questions and how to make the formatting consistent.

How to Control Squares and Circles in Microsoft Forms Questions

Product: Microsoft Forms
Device & OS: not provided
Scenario: Creating a survey or quiz in Microsoft Forms and noticing that different multiple-choice questions display varying shapes for their selectable options.
Observed behavior: Questions that allow only one answer display as circles (radio buttons), whereas questions that allow multiple answers display as squares (checkboxes).

Before you start

Log in to your Microsoft 365 account and open the specific Form or Quiz you wish to edit. Ensure you have the necessary permissions to modify the form's question settings.

Solution 1Recommended

Adjust the Multiple Answers Toggle

Change the shape of your options from circles to squares (or vice versa) by toggling whether the question allows a single answer or multiple answers.

In Microsoft Forms, option shapes are directly tied to functionality. Circles are standard 'radio buttons' meaning only one choice can be made. Squares are 'checkboxes' which indicate respondents can select more than one option. To change the shape, you must change the question's behavior.

Select the question

Click on the multiple-choice question you want to modify to open its editing panel.

Locate the toggle switch

Look at the bottom right corner of the question editing box for the 'Multiple answers' toggle switch.

Turn toggle off for circles

Toggle 'Multiple answers' OFF to restrict respondents to a single choice, which automatically changes the options to circles.

Turn toggle on for squares

Toggle 'Multiple answers' ON to allow respondents to select more than one choice, which automatically changes the options to squares.

Formatting Consistency: If visual consistency is your main goal, you must apply the same 'Multiple answers' setting to all questions. However, keep in mind this will fundamentally change how users can respond to your survey.

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Frequently Asked Questions

Can I keep the circle shape but allow multiple answers in Microsoft Forms?

No. Microsoft Forms strictly links the option shape to the selection logic. Circles are exclusively used for single-choice questions, and squares are strictly for multiple-choice questions.

Why did my multiple-choice question suddenly change from circles to squares?

This happens if the 'Multiple answers' toggle at the bottom of the question block is accidentally turned on. Turning it back off will revert the options to circles.

Do squares and circles appear differently when viewing the form on a mobile phone?

The shape conventions remain exactly the same across all devices. Mobile respondents will still see circles for single answers and squares for multiple selectable answers.

Does changing from squares to circles affect already collected responses?

Yes. If you change a question from multiple answers (squares) to a single answer (circles) after gathering responses, it can conflict with data where users selected multiple options. It is highly recommended to finalize these settings before distributing the form.

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