.hdm

File Type Generic IconHDML File
File Format Standard (developed by Openwave)
Usage Open manually
Rank ★ ☆ ☆  Uncommon
Description

HDM files are similar to .HTM files, but are written in the Handheld Device Markup Language (HDML); they are used for creating Web pages for portable electronic devices, such as smartphones. HDM files are rather uncommon since they have been mostly replaced by .WML files.

HDML files typically use the .HDML extension.

Open With
Windows

IconEdit with a text editor

macOS

IconEdit with a text editor

Updated June 29, 2009
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