# how to change nDRV .m4fd extension to .mp4

**URL:** <https://community.wowza.com/t/how-to-change-ndrv-m4fd-extension-to-mp4/51501>\
**Category:** Wowza Streaming Engine\
**Created:** [June 19, 2018, 6:40pm UTC](https://community.wowza.com/t/how-to-change-ndrv-m4fd-extension-to-mp4/51501 "2018-06-19T18:40:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Andre\_Grehs](https://avatars.discourse-cdn.com/v4/letter/a/c4cdca/32.png) [@Andre\_Grehs](https://community.wowza.com/u/Andre_Grehs)\
**Post date:** [June 19, 2018, 6:40pm UTC](https://community.wowza.com/t/how-to-change-ndrv-m4fd-extension-to-mp4/51501/1 "2018-06-19T18:40:29Z")

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I want to know how to enable a way to change from m4fd to mp4 file extension, when nDVR is enable to an application.