Call of Duty: Modern Warfare 3 downloadable content data
File type: Game file
An iw5dlc file contains downloadable content data for Call of Duty: Modern Warfare 3.
It is a proprietary game-data file used by the game rather than a document intended for direct use.
File type category:
Game file
Date updated: October 17, 2026
The iw5dlc file extension is associated with Call of Duty: Modern Warfare 3, a first-person shooter developed for Microsoft Windows. The game was also released for PlayStation 3 and Xbox 360.
An iw5dlc file stores downloadable content, including expansion data, used by Modern Warfare 3. The game reads this data as part of its installed files when the corresponding content is available.
The Windows version of Call of Duty: Modern Warfare 3 opens and uses iw5dlc files automatically when they are installed in the game's files. No separate file viewer is normally required.
Do not edit or rename the file. If it is missing or damaged, reinstalling the associated downloadable content or repairing the game installation may be necessary.
An iw5dlc file is proprietary game data and cannot normally be converted to a useful common file format. It is intended to be used by Call of Duty: Modern Warfare 3.
Downloadable content should be installed through the game's supported distribution or installation system rather than exported or converted.
Software applications that handle other tasks involving iw5dlc files:
Microsoft Windows
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