# xarray.backends.BackendEntrypoint.guess_can_open

#### BackendEntrypoint.guess_can_open(filename_or_obj)[[source]](https://github.com/pydata/xarray/blob/main/xarray/backends/common.py#L789-L794)

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