# NetCDF files no longer open using Scientific DataSet library

**URL:** <https://forum.ecmwf.int/t/netcdf-files-no-longer-open-using-scientific-dataset-library/5816>\
**Category:** Other - Software and tools\
**Created:** [19 September 2024 18:00 UTC](https://forum.ecmwf.int/t/netcdf-files-no-longer-open-using-scientific-dataset-library/5816 "2024-09-19T18:00:07Z")\
**Posts on this page:** 1\
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**Author:** ![Kevin\_Marsh](https://forum.ecmwf.int/user_avatar/forum.ecmwf.int/kevin_marsh/32/368_2.png) [@Kevin\_Marsh](https://forum.ecmwf.int/u/Kevin_Marsh)\
**Post date:** [19 September 2024 18:37 UTC](https://forum.ecmwf.int/t/netcdf-files-no-longer-open-using-scientific-dataset-library/5816/2 "2024-09-19T18:37:12Z")

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Hi Liz,  
CDS-Beta uses a new grib to netcdf converter; this page describes some of the differences (including the move to netCDF4):

> [@Changes to grib to netCDF converter on CDS-Beta/ADS-Beta](https://prod.ecmwf-forum-prod.compute.cci2.ecmwf.int/t/changes-to-grib-to-netcdf-converter-on-cds-beta-ads-beta/4322/18):
>
> Hi everyone, an informative page about the new GRIB to netCDF converter used on the new CDS and ADS systems is available here: [GRIB to netCDF conversion on CDS-Beta and ADS-Beta - Copernicus Knowledge Base - ECMWF Confluence Wiki](https://confluence.ecmwf.int/x/uhDeGg) Thanks ECMWF Support

Hope that helps  
Kevin

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