protect comparison worksheet format distance grant wholly entry

i am formulating an xls worksheet used collect information users. i have limited user quarrel controlling validations. method simply means imitation worksheet i have set lenghts columns. have finished applicable columns wrap.
however i strengthen worksheet such that
user certified to
1. change format
2. change validations
3. change buttress size
user should certified to
1. enter quarrel values
2. name value (from dump down whereever applicable)

the strengthen square always restricts user inputs.