Offline Course Player file
File type: Various data file
A khub file is a data file used by the Offline Course Player from Element K.
It belongs to the proprietary course data used by that application.
File type category:
Various data file
Date updated: October 4, 2026
Record marked as obsolete and not updated for a long time.
The khub file extension is associated with the Offline Course Player, software developed by Element K Corporation for Microsoft Windows.
A khub file stores data used by the Offline Course Player. It is not a standalone document format and is intended to be read as part of the course content handled by the player.
The format is obsolete. Its associated MIME type is application/x-khuboffline.
Open a khub file with the Element K Offline Course Player on Microsoft Windows, if the original software is still available. Because the format is obsolete, current general-purpose applications may not recognize it.
The format is intended for use with the original Offline Course Player. To access the course content, open the khub file with that program if it is available, or obtain the source course material in a supported format.
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