Didger can import ESRI floating point grid files in ESRI Spatial Analyst .FLT, .HDR format.
The ESRI Binary Float Grid format consists of 2 files: a binary .FLT image file and ASCII .HDR header file with the same file name but different file extension. For example, Test.FLT and Test.HDR.
Import Options Dialog
No import options dialog is displayed.
Export Options Dialog
Didger does not currently export this file format.
ESRI ArcInfo Binary Grid File Description
File Format Chart