# Supported File Types

When your connection is storage-based (e.g., cloud storage services), you can upload the following file formats:

* **Data Formats:**
    * CSV
    * JSON
    * Parquet
    * Avro
    * Delta Lake
* **Document Formats:**
    * PDF (GCP Support Only)
    * XML
* **Automatic File Type Detection**
    * This option attempts to determine the file type by inspecting the file extension.
    
!!! note
    Reading PDF files requires enabling Gemini in your GCP workspace.