# xarray.backends.ZarrBackendEntrypoint.guess_can_open

#### ZarrBackendEntrypoint.guess_can_open(filename_or_obj)[[source]](https://github.com/pydata/xarray/blob/main/xarray/backends/zarr.py#L1743-L1751)

Backend guess_can_open method used by [`open_dataset()`](xarray.open_dataset.html.md#xarray.open_dataset).