The control border for an ActiveX control appears as a series of sizing handles: Select multiple controls that are not contained in a group Using the Selection Pane makes it easier to select one or more objects, and also to show, hide, or change the order of objects. In this case or similer case your excel sheet look like you want but actualy they consume all over sheets 1000+ rows 1000+column.
Credit: Image courtesy of Microsoft Right-click the new ActiveX control and select Properties from the context menu to display the Properties toolbox. Click and drag with the mouse on the spreadsheet to set the size of the control and then release the right mouse button to create the ActiveX object.
Make certain to eliminate or improve those dependencies as well. A form object such as a check container may possess dependent mobile hyperlinks, scripts or macros.