# Lost data of segmentation

**URL:** <https://discourse.slicer.org/t/lost-data-of-segmentation/41201>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [January 22, 2025, 2:13am UTC](https://discourse.slicer.org/t/lost-data-of-segmentation/41201 "2025-01-22T02:13:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yuvaraj\_bigwigs](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/yuvaraj_bigwigs/32/79160_2.png) [@yuvaraj\_bigwigs](https://discourse.slicer.org/u/yuvaraj_bigwigs)\
**Post date:** [January 22, 2025, 2:13am UTC](https://discourse.slicer.org/t/lost-data-of-segmentation/41201/1 "2025-01-22T02:13:01Z")

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Hi guys I am new to slicer tool. I did segmentation using segmentation option in slicer and I accidentally saved it as .nhrd file Instead of .nrrd file.if I try loading the .nhrd file it show Cannot load file.What should I do Any suggestions??Is there any way to retake my segmentation using this .nhrd file??

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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:** [January 22, 2025, 2:19am UTC](https://discourse.slicer.org/t/lost-data-of-segmentation/41201/2 "2025-01-22T02:19:21Z")

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The .nhdr file (I assume the .nhrd was just a typo) format stores the header and data in two separate files. It should be no problem to load it as long as you have the data file (with .raw or .raw.gz extension) in the same folder.