conda/mamba/micromamba env export > environment.yml
conda/mamba/micromamba env create -f environment.yml
You can also use explicit specification files to build an identical conda environment on the same operating system platform, either on the same machine or on a different machine.
conda list --explicit > spec-file.txt mamba/micromamba env export --explicit > spec-file.txt
conda/mamba/micromamba create --name myenv --file spec-file.txt
conda/mamba/micromamba install --name myenv --file spec-file.txt