LanguageXXT
Dynamic Link Library
File type: System file
An xxt file extension is sometimes used for DLL (Dynamic Link Library) files.
What is xxt file?
File type category:
System file
Date updated: February 9, 2019
The xxt file extension is sometimes used for Dynamic Link Library, but default file extension for it is DLL file extension.
Most likely some old format without support. No further information could be found.