Office Package

What is best for me may not be for you. The following has a comparison of the options: https://products.office.com/en-us/buy/compare-microsoft-office-products-for-mac

Only Microsoft Office contains Excel.

Do you mean alternatives to Microsoft Office? Such as Apple's iWork suite and LibreOffice?

If you want Microsoft Office, get Microsoft Office. From Microsoft.

What is the problem?

If you want Microsoft software for your Mac, talk to Microsoft.