.BUILDER File

The builder file extension is reported to be used for some sort of source code or script file. It is a common text file type. Might be used in many programs.

This builder file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

You can view and edit these files in any text editor.

How to convert:

Probably cannot be converted to other formats.