Files with rtdf file extension can be found as old rich text documents.
RTDF file extension - Rich text document
What is rtdf file? How to open rtdf files?
File type specification:
The rtdf file extension is used for a special Mac variant of RTF format. Used in very old programs for earlier versions of Mac OS.
No further information could be found.
This rtdf 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.
