Map Designer file name extensions

This topic describes the file name extensions that are used in the Map Designer.

The following list includes the file name extensions for the different file types, along with descriptions for each of the extensions:

Extension
File type description
.bak
Map source backup
.dpa
Compiled DataPower map
.dpl
DataPower session log
.fnl
Master work file
.Ixx
Input work
.log
Audit log
.mmc
Compiled map
.mme
Map build analysis results
.mms
Map source
.mopt
Map source options file
.mtr
Trace
.mtx
Temporary native schema type tree
.omm
Backup of a 1.4.x map source
.Oxx
Output work
.tmp
Temporary map work files
Note: Zero-byte temporary map work files might not be deleted if the Map Designer application is not gracefully disconnected.