A PLE project file has the extension .plex. In the educational version the extension is .plexe. When a backup file is generated the x is replaced by a b.

Click to expand/collapseDifferent file types

.plex

Version 4 project file

Contains the most recent data.

.pleb

Version 4 backup file

Contains the last data prior to the current .plex.

.plexe

Version 4 educational project file

Contains the most recent data.

.plebe

Version 4 educational backup file

Contains the last data prior to the current .plexe.

.rst

Version 3.n project file

PLE-micro-CAD data. (convert these files)

File_types (last modified: Sep 21, 2025)