# .vol file not loading

**URL:** <https://discourse.slicer.org/t/vol-file-not-loading/25282>\
**Category:** Support\
**Created:** [September 15, 2022, 7:20pm UTC](https://discourse.slicer.org/t/vol-file-not-loading/25282 "2022-09-15T19:20:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [September 15, 2022, 8:26pm UTC](https://discourse.slicer.org/t/vol-file-not-loading/25282/2 "2022-09-15T20:26:15Z")

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`.vol` could mean anything since people may use it for arbitrary data formats.

If it happens to be an uncompressed volume then this might work:

> [@New extension: RawImageGuess - for loading of images from unrecognized file format](https://discourse.slicer.org/t/new-extension-rawimageguess-for-loading-of-images-from-unrecognized-file-format/9219):
>
> There are proprietary image file formats the 3D Slicer does not recognize and so refuses to load. @nagy.attila in collaboration with Slicer core developers created an extension that can be used to load data from files that use an unknown format. [RawImageGuess extension](https://github.com/acetylsalicyl/SlicerRawImageGuess) offers a number of parameters (image header size, dimensions, pixel type, etc.) that users can adjust and see the resulting image in real-time. This makes it possible to guess the image format in a couple of minutes. See a demo …

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_[View the full topic](https://discourse.slicer.org/t/vol-file-not-loading/25282)._