SuperMemo UX file
File type: Various data file
A .smpak file is a data file used by SuperMemo UX.
SuperMemo UX uses these files to store data for its learning and test-creation features.
File type category:
Various data file
Date updated: October 22, 2026
The smpak file extension is associated with SuperMemo UX, a learning application from SuperMemo World for Microsoft Windows. The software can be used to create and work with various types of tests.
An .smpak file contains data used by SuperMemo UX. It is part of the application's own data system rather than a general-purpose document format, so its contents are intended to be handled by SuperMemo UX.
Open an .smpak file with SuperMemo UX on Microsoft Windows. If the file does not open by double-clicking it, start SuperMemo UX and use the software's file-opening command.
There is no known way to convert .smpak files. Use SuperMemo UX to access the data.
Software applications that handle other tasks involving smpak files:
Microsoft Windows
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