# Manage workspace users

You can invite users to collaborate on a Stacksync workspace.

Stacksync uses Role-Based Access Control (RBAC) to let you manage permissions and access. Users can have the following roles:

* **Owner** (Can create and use all workspace resources except private resources owned by other users and manages the workspace billing).
* **Editor** (Can create and use all workspace resources except private resources owned by other users. Editors can also invite other users to join a workspace).
* **Viewer** (Can ONLY view non-private workspace resources. Viewers cannot create, update or delete any workspace resources).

### Invite users to a workspace

1. Go to "Workspace settings"
2. Insert email to invite and choose user role
3. Click "Send invite"

<figure><img src="/files/ljbAQKL0EX6IPrI5Ipzk" alt=""><figcaption><p>Invite users to a Stacksync workspace</p></figcaption></figure>

Invitations can be revoked at any time. You can also add, update and remove workspace collaborators.

{% hint style="info" %}
To join the workspace, the invited collaborator will receive an email with a link to join the workspace. If they do not click on the link to accept the invite, they will not be able to join the workspace.
{% endhint %}

If you want to enforce MFA for all users in your workspace or need SAML & SSO, follow the tutorial below.&#x20;

{% content-ref url="/pages/SZSRe4fLxXczOJwbc2EV" %}
[Security](/two-way-sync/features/security.md)
{% endcontent-ref %}

### Switching between workspaces

You can see all the workspaces you own and the workspaces you have been invited to in the Workspace selection view.

<figure><img src="/files/yvKnyrXGPCLullmItFDI" alt=""><figcaption><p>Switch between Stacksync workspaces and view the workspaces shared with you.</p></figcaption></figure>


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