One More Excel inquiry: Secure a column of data

[BigGuynRusty]

[quote kap]To work on a special project, I will be taking home a file of 185 records containing SSNs of students. How do I securely block/hide the SSN column? Can I password protect a single column; not the entire file? TiA I am not joking.
Get WRITTEN Signed Permission to take this data out of your workplace!.

BGnR