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Use the notebook sidebar to manage files in the notebook sandbox and connect to remote data sources. You can also download W&B Artifacts into the notebook.

Understand notebook storage

Each notebook runs in a temporary sandbox. Files that you create, upload, or download appear under Files in the notebook sidebar and exist only in the sandbox. Connected object storage, databases, and data catalogs appear under Remote storage.
Files in the notebook sandbox are temporary. Copy files that you want to keep to persistent storage before the sandbox is reset or deleted.

View files

To view files in the notebook sidebar:
  1. Select View files ().
  2. Expand one of the following sections:
    • Files to view files in the notebook sandbox.
    • Remote storage to browse connected remote data sources.

Manage files and folders

To upload or create a file or folder:
  1. In the notebook sidebar, select View files ().
  2. Expand Files.
  3. Select one of the following actions:
    • Upload file () to upload an existing file to the sandbox.
    • Add file () to create a file.
    • Add folder () to create a folder.

Download a W&B Artifact

You can download and use a W&B Artifact in a notebook. The downloaded files are stored in the notebook sandbox. For example, the following code downloads a model Artifact from W&B Registry:
The command returns the path to the downloaded Artifact directory. For example:
The downloaded Artifact appears in the artifacts directory:
artifacts
notebook.py

Connect a remote data source

To connect object storage, a database, or a data catalog:
  1. In the notebook sidebar, select View files ().
  2. Select Remote storage ().
  3. Select Add remote storage.
  4. Select the applicable source type:
    • Remote Storages for remote object storage.
    • Database & Catalogs for a database or data catalog.
  5. Select the provider that you want to connect and follow the prompts.
To learn more, see the following marimo documentation: