Drop Down Box-Multiple Selections

[wreedw]

Is it possible to configure a dropdown box to allow multiple selections?  For example, for a translator, they may be able to translate to/from English, Spanish, and Portuguese.  If not a drop down, what are other ways to allow multiple values?

Thanks.

[#2]

@wreedw 

See Excel Data Validation - Select Multiple Items 

[#3]

Thank you so much! This is amazing!