I’m pretty sure it’s a network hope this helps
Answer: Both have a center for knowledge; motherboard and brain. Both have a way of translating messages to an action. Both have a way of creating and sending messages to different parts of the system.
Except keyboard of F7 and Spell Checkbutton in toolbar, you are also able to apply Spelling check command fromExcel 2007/2010/2013/2016 Ribbon: Click the Review tab; Go to Proofing group; Then you will view the Spellingbutton , that's Spell Check command.
hope this helps