Reupload a Data Sandbox File

Use Reupload to replace the file behind an existing Data Sandbox entry—useful when an upload failed or the source file has been updated.

Prerequisites:

• Access permission of the Data Center module and the Data Sandbox option.

• Permission to reupload files for the selected Sandbox.

• (Recommended) Confirm downstream impacts (Data Preparation, Data Stores, Data Sheets) before replacing the file.

Steps

1. Open the list Go to Data Center > My Connectors > Data Sandbox > Data Sandbox List.

2. Select the Sandbox Locate the Sandbox whose file you want to replace.

3. Start Reupload Click the Reupload option for that Sandbox. Result: The Data Sandbox form opens.

4. Choose file Click Choose File and select the new file from your system.

5. Reupload Click Reupload.

• The file is replaced, and a notification confirms a successful reupload.

Outcome

• The Sandbox entry remains the same (name/ID), but its underlying file is updated.

• The new file will be used by any subsequent Preview, Data Preparation, Create Data Store, or Create Datasheet actions.

Notes & Cautions:

• Schema changes (columns, data types, sheet names) may break existing Preparations, Data Stores, or Data Sheets that rely on the old structure. Review and update them as needed.

• For multi-sheet Excel files, sheet selection may be prompted later during Prep/Store/Sheet creation.

• Keep the browser tab open until the reupload confirmation appears.

Supported file types (typical)

.csv, .xls, .xlsx, .xlsm, .txt, .png, .jpg, .jpeg, .mp4, .json, .pdf, .avro, .parquet

Best Practices

• Use consistent column names to avoid downstream rework.

• After reupload, preview the Sandbox to quickly verify structure and row counts.

• If the file is an update of the same dataset, prefer consistent file naming/versioning in your source control.

Troubleshooting

• Reupload icon disabled: You may lack permissions, or the Sandbox is locked by policy—contact an administrator.

• Corrupted/unsafe file warning: Clean or re-export the source file and try again; or upload a different file.

• No visible change after reupload: Refresh the Data Sandbox list and re-open Preview; confirm you selected the correct Sandbox.

• Downstream errors (Prep/Store/Sheet): Revisit those assets to align with the new schema or data values.