This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)
Mathematica Menu Item

Cell Cell Properties Editable

toggles whether a cell can be edited or not.
  • Editable toggles the option Editable between True and False on the selected cell objects.
  • When a cell is uneditable, an "X" appears in the cell bracket.