# viewer

On this page we provide a step-by-step video tutorial on how to use the amdirt graphical-user-interface (GUI) of the `viewer` command.

For more detail about all possible output files, please see the corresponding pages on [How To](/how_to/index).

Be aware that the `viewer` command is only implemented for samples that have sequencing data stored on either SRA or ENA. It **does not work** for samples with **FastA** sequences uploaded to GenBank or GitHub.

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clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>