Hello, Madison
By the description you’ve provided you need to find a way to copy checkboxes to your Excel file with the usable formatting.
As you noticed the checkboxes are overlaying on the cell and technically represent an inserted object and would not change the width of the cells. So I’m afraid there is no proper copy/paste option for the checkboxes formatting.
We’re sorry that it doesn’t meet your requirement.
We do understand the inconvenience caused and apologize for it. So to address your concern about the situation, we’d suggest you kindly leave a feedback: How do I give feedback on Microsoft Office?
At the same time, If you want to know how to manage the checkboxes you may refer to this article Enhance Your Checkboxes with Conditional Formatting in Excel - Excel Campus
If the scenario above is not consistent with yours, you can also post back and point that. And we will also keep this thread open to check if the other community members who has any suggestions can provide suggestions here.
Thank you for your understanding!
Best Regards,
Igor