DXT1

S2TC compressed surface texture
File type: Graphics file
A dxt11 file extension is associated with the S2TC compressed surface texture format.
What is dxt1 file?
File type category:
Graphics file
Date updated: August 15, 2018
The dxt11 file extension is related to the S2TC compressed surface texture format. Direct Draw. Associated with See also DDS file extension.
Most likely some old format without support. No further information could be found.
Suggested software to open dxt1 file:
Associated software actions with the dxt1 file
Software applications that handle other tasks involving dxt1 files:
DirectX (Microsoft Windows)