Here are steps, key points, topics, and actions to address the issue of formatting being disabled in Excel:

1. Check if you have the latest version of Office.
2. If you don’t have the latest version, update it.
3. If the issue persists, disable add-ins and restart Excel.
4. Disable Protected View settings in Excel.
5. Check if the formatting options are enabled in Safe Mode.
6. Reboot your computer and try again in Excel.