A de file extension is related to the MetaProducts Download Express and used for its incomplete downloads.
There is one other file type using
the DE file extension!
.de - German language translation
DE file extension - MetaProducts Download Express incomplete download
What is de file? How to open de files?
File type specification:
The de file extension is also used for some sort of Incompletely download files. After download is finished file is renamed with original file extension. Used in MetaProducts Dwnload Express utility.
This de 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.