# Edit existing segmentation

**URL:** <https://discourse.slicer.org/t/edit-existing-segmentation/6917>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [May 24, 2019, 10:05am UTC](https://discourse.slicer.org/t/edit-existing-segmentation/6917 "2019-05-24T10:05:32Z")\
**Posts on this page:** 1\
**Showing post:** 11

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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:** [July 2, 2021, 5:10am UTC](https://discourse.slicer.org/t/edit-existing-segmentation/6917/11 "2021-07-02T05:10:52Z")

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This last question was also posted and got answered here:

> [@How to save brain structural edited masks (segment edited) in nifti for freesurfer use?](https://discourse.slicer.org/t/how-to-save-brain-structural-edited-masks-segment-edited-in-nifti-for-freesurfer-use/18429):
>
> Hi! I automatically generated structural brain masks with the purpose of using FreeSurfer. The masks need some editing, and I used Slicer Segment Editor for it (opened mask as label \> imported labelmap as segmentation \> add T1 as master volume \> edited masks). However, I couldn’t save it as a nifti, so I saved as nrrd and later converted it to nifti. It didn’t work. How can I save my edited mask (in nifti) in order to use them for freesurfer? Do I have to convert the labelmap in something else? …

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_[View the full topic](https://discourse.slicer.org/t/edit-existing-segmentation/6917)._