Files with fle file extension can be usually encountered as as settings file for some older scanner devices, for example the Op9630.
FLE file extension - Scanner settings
What is fle file? How to open fle files?
File type specification:
The fle file extension is known to be used by some scanner devices (for example Op9630) for their saved settings file. Probably old format.
Most likely some old format without support. No further information could be found.
This fle 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.