.eln is Blackboard Collaborate note document
Key Features: .ELN File Extension
What is an .ELN file?
The eln file extension is used for the default note document format in Blackboard Collaborate platform.
The eln file is used to share notes during Blackboard videoconferencing. It cannot be used in any other programs.
This eln 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.