At the time of publication, the Developer tab is not available in online or mobile versions of Excel. Select the cell to which you want to add the check box and click "Insert" from the Developer tab.

Microsoft Excel lets you add two types of buttons to a worksheet ... Click the "Developer" check box within the Main Tabs list and click the "OK" button when you're finished.

Add Shared Workbook buttons to Excel Quick Access Toolbar ... If you’re using a version of Excel that supports co-authoring, check out our post on how to co-author and collaborate on Excel ...

To check which Add-Ins you may already have ... When you locate the Add-In you want, click the Add button. 4. Excel opens the selected Add-In you selected in the Task Pane on the right.