\"Solver" Click the Data Menu. Solver, choose the prot cell as your Target Cell {what you are maximizingfoptirnizing) and choose the -::1uantit;\\,r cell as the Changing Cell then click solve. Select \"Keep Solver Solution". *Note: If the Solver tool does not appear under the Data menu, you will need to add it to Excel. To do this, go to the File tab, select Dptions, then Add-Ins. In the drop-down. select Excel Add-ins and hit Go. Check the box next to Solver Add-in and hit Elk