# MVL File and RawImageGuess

**URL:** <https://discourse.slicer.org/t/mvl-file-and-rawimageguess/9400>\
**Category:** Support\
**Created:** [December 5, 2019, 1:58pm UTC](https://discourse.slicer.org/t/mvl-file-and-rawimageguess/9400 "2019-12-05T13:58:23Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![jjuguilon](https://avatars.discourse-cdn.com/v4/letter/j/4bbf92/32.png) [@jjuguilon](https://discourse.slicer.org/u/jjuguilon)\
**Post date:** [December 5, 2019, 1:58pm UTC](https://discourse.slicer.org/t/mvl-file-and-rawimageguess/9400/1 "2019-12-05T13:58:23Z")

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I am having problem opening MVL file. May i know if RawImageGuess is available to install in a separate file? i was not able to locate it:(

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**Author:** ![jjuguilon](https://avatars.discourse-cdn.com/v4/letter/j/4bbf92/32.png) [@jjuguilon](https://discourse.slicer.org/u/jjuguilon)\
**Post date:** [December 5, 2019, 1:58pm UTC](https://discourse.slicer.org/t/mvl-file-and-rawimageguess/9400/2 "2019-12-05T13:58:20Z")

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my slicer crashes (4.10.2 and 4.11) when i try to upload MVL file even if my RawImageGuess extension was already installed. any idea?

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [December 5, 2019, 2:03pm UTC](https://discourse.slicer.org/t/mvl-file-and-rawimageguess/9400/3 "2019-12-05T14:03:46Z")

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Inatalling RawImageGuess extension will not make mvl files load automatically. There are a couple of manual steps, see example [here](https://youtu.be/ajpOQEAyWkA):

[![](https://img.youtube.com/vi/ajpOQEAyWkA/maxresdefault.jpg "How to load a file of unknown format into 3D Slicer") ](https://www.youtube.com/watch?v=ajpOQEAyWkA)

If someone is interested in making loading fully automatic then it should be doable, but it may require a couple of weeks of development work.

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**Author:** ![jjuguilon](https://avatars.discourse-cdn.com/v4/letter/j/4bbf92/32.png) [@jjuguilon](https://discourse.slicer.org/u/jjuguilon)\
**Post date:** [December 13, 2019, 1:24pm UTC](https://discourse.slicer.org/t/mvl-file-and-rawimageguess/9400/4 "2019-12-13T13:24:40Z")

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Thank you. I am beginning to understand how to use the raw image guess…