# Change display range of .raw file

**URL:** <https://discourse.slicer.org/t/change-display-range-of-raw-file/6320>\
**Category:** Support\
**Created:** [March 28, 2019, 6:44am UTC](https://discourse.slicer.org/t/change-display-range-of-raw-file/6320 "2019-03-28T06:44:23Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [March 28, 2019, 9:09pm UTC](https://discourse.slicer.org/t/change-display-range-of-raw-file/6320/4 "2019-03-28T21:09:06Z")

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zraw just means the data is in a compressed format. The corresponding MHD indicates this with the header entry `CompressedData = True`. Slicer will load the volume normally.

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_[View the full topic](https://discourse.slicer.org/t/change-display-range-of-raw-file/6320)._