What is a DXL File?

DXL stands for Domino Extensible Language file format which is a domino server database file for Lotus Notes. It is also related to Duxbury Braille Translator Label and DOORS Extension Language. It primarily supports Lotus Notes. The file format gives an adequate amount of support to exchange and exchange file format. Therefore, it plays a prominent role in sharing archived emails with other apps.

App Category

DXL files fall in the category of XML document.

Supported Apps

  • It supports various apps including:
  • IBM Domino (Windows and Linux)
  • Both Windows and Mac Lotus Domino Designer
  • MS Notepad and MS XML Notepad


The file extension is upgraded and produced by IBM.

File Format

In Lotus Notes, DXL is known as Document Type Definition file which holds various elements used to define a DXL file.


There is no default location. In case, users want to open DXL, they have to perform configuration in Domino Server.

How to View DXL

Users can open DXL files using a free or paid tool. It is opened with-

  • IBM Domino Designer
  • MS Notepad
  • MS XML Notepad