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# Control data sources and share data across projects

> As a Project Admin, control who adds data sources in Mammoth, and share data between projects with Send to Dataset, a shared database or a link.
>
> Applies to: Roles: Project Admin. Where: Data › New dataset › Connectors

Connections belong to one project, and only its Project Admins create, edit or delete them. Projects don't share datasets or connections, so data moves between projects by sending it, not by reading it.

## Control who adds data sources

To create a connection:

1. Click **Data** in the left sidebar, then **New dataset**.
2. In **Where do you want to add data from?**, choose **Connectors** (or open the **Connections** tab and click **New Connection**).
3. Pick the source in the Connectors launcher and connect it.

Project Editors can then start datasets from it on the **Connections** tab. An Editor who tries to add a new source sees "New sources are added by this project's admins." and can click **Copy a request** to send you a note. Workspace Owners can add users to, and delete, any project. See [Manage saved connections](https://mammoth.io/docs/learn/get-data-in/connections/).

## Share data between projects

Projects don't share datasets or connections, and a Join or Lookup can't read another project's views. Send the data across first:

| Need | Method |
| --- | --- |
| Regular sharing inside Mammoth | A view in Project B ends its pipeline with **Send to Dataset**, pointed at a dataset in Project A. It sends new data each time the pipeline runs |
| Sharing through your own database | Project B exports a view to a shared database (for example PostgreSQL or BigQuery); Project A connects to it, and a Dataset Refresh keeps it current |
| One-time transfer | Save a copy from Project B (the download icon), then upload it into Project A |
| Read-only access | Share a dashboard, a [collection](https://mammoth.io/docs/learn/share-and-export/collections/), or a [Live link](https://mammoth.io/docs/learn/share-and-export/live-links/) (Team and Pro) |

Create connections in each project that needs them, use approved shared databases for exchange, and use read-only credentials for production systems.

## Related

- [Manage saved connections](https://mammoth.io/docs/learn/get-data-in/connections/): edit and reuse connections.
- [Mammoth for managers](https://mammoth.io/docs/learn/start/for-managers/): the rest of the manager plan.
- [Workspaces and projects](https://mammoth.io/docs/learn/start/workspaces-and-projects/): what a project holds.

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Source: https://mammoth.io/docs/learn/start/data-across-projects.md · Updated: 2026-11-08