.dfm file: how to open it on Windows

7 Windows apps register the .dfm extension. Install one of them to open the file with a double-click.

Notepad3
Notepad like text editor based on the Scintilla source code.

Free 7.26.602.1 84.4K ↓ ★ 6.7K
OpenChrom
Open Source software for chromatography, spectrometry and spectroscopy

Open source 1.6.38 24.6K ↓ ★ 135
DeaDBeeF
DeaDBeeF is a modular cross-platform audio player.

Open source 1.10.0 3.2K ↓ ★ 2K
Sublime Text 4
Sublime is a sophisticated cross-platform text editor for code, markup and prose.

Proprietary 4.0.0.421500
PSPad editor (x86)
The Developer’s Text Editor for Microsoft Windows

Free 5.5.2.851
PSPad editor (x64)
The Developer’s Text Editor for Microsoft Windows

Free 5.5.2.851
Text Editor Pro
Powerful text editing tool

Free 37.4.0