IDE source editor file types lazarus / 9-Editor ---------------------------------------------------------------------- aljgardin · 2018-07-02 18:33 How do I register a new file type in the editor? Would like to be able to open a spreadsheet in the editor with information relevant to programming tasks. ---------------------------------------------------------------------- Handoko · 2018-07-06 02:37 You can find the information here: http://wiki.lazarus.freepascal.org/Extending_the_IDE#Add_your_own_file _type I tried to understand the explanation but it is too advanced for me. I think it requires you to have knowledge to write your own package (*.lpk). ---------------------------------------------------------------------- JuhaManninen · 2018-07-06 06:42 Quote from: Handoko on July 06, 2018, 04:37:27 amYou can find the information here: http://wiki.lazarus.freepascal.org/Extending_the_IDE#Add_your_own_file _type That is for creating new files. If he only wants to open existing files, he may need an editor highlighter for them.