How to write digits separated by slash not considered as dates

Language french

  1. You can format the cell(s) as Text or start with a apostrophe (’).

  2. Check in Tools-Options-Language Settings-Languages to change the “Date Acceptance Patterns” to something without /. In French there is / and - as separaters accepted.

  3. If you use none date digits (e.g. 13/34) Calc switches automatically to text.