If the check box is selected, it uses Excel's Form Controls and you may move or delete it. If it didn't select, the check box uses ActiveX controls and you must use Design Mode to remove it.

How to Convert True-False to Check Boxes in Excel. Microsoft Excel's form controls can turn the Boolean options of a true-false choice into a clickable data-entry option.

TL;DR Key Takeaways : Form controls in Excel enhance data analysis and dashboard creation. Enable the Developer tab to access form controls. Common form controls include combo boxes, checkboxes ...

The difference between the ActiveX controls and Form controls is that ActiveX controls are loaded separately while Form controls are built into Excel.