WMD file is a Windows Media Download Package. Microsoft Windows Media Download packages combine borders, playlist information, and multimedia content in a single downloadable file.

Common .wmd file type descriptions:

Windows Media Player Download Package
Windows Media Player-Downloadpaket
Пакет загрузки проигрывателя Windows Media
Pacchetto di download di Windows Media Player
Package de téléchargement du Lecteur Windows Media

Applications, associated with .wmd files

Windows Media Player by Microsoft Corporation

Windows Media Player is a media player and media library application developed by Microsoft that is used for playing audio, video and viewing images on personal computers. In addition to being a media player, it includes the ability to rip music from and copy music to compact discs, burn recordable discs in Audio CD format or as data discs with playlists such as an MP3 CD, synchronize content with a digital audio player (MP3 player) or other mobile devices, and enable users to purchase or rent music from a number of online music stores.

.wmbackup

.wmdb