The DTF file is created by the IBM Domino software.
Formerly IBM Lotus Domino, IBM Domino is an IBM server product that provides enterprise-grade email, collaboration capabilities and an application platform. It runs on Windows, Mac and Linux Operating Systems.
.dtf File Extension
Developer:
IBM
File category:
What are dtf files & how to open them - Domino Temporary File
File category:
Developer:
IBM