Prevent cells Entry

[kuzna26]

Hey guys,

Please how can I prevent an entry in a cell even without formula
lets say cells B1 , C1 , D 1 , E1 I want to prevent an entry in these cell
and if you try an error message will display


Thanks,

[Fotis1991]

You can use Custom Validation.

Put something like this In Custom Validation rules.

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