Invite new members to your workspace

Who can use this feature?
  • Workspace ownersadmins and sometimes members
  • FreeStandard and Plus subscriptions

Whether your Slack workspace is brand new or has been around for a while, this article will take you through inviting others to join.

Ways to grant access to your workspace:

  • Email an invitation to one person or several people at once
  • Share a unique invitation link
  • Allow people to join using their email address

Tip: Enterprise Grid Org Owners and Admins can invite members to workspaces in their org by following these steps.


Who can send invitations?

Your ability to invite others to your workspace depends on both your role and your workspace settings.

Workspace Owners and Admins can invite both members and guests. Members can invite other members if an Owner or Admin enables this option.

Guests cannot invite members or other guests.

Note: guests can be added only to workspaces on paid subscriptions.

Send an invitation

Once you’ve determined that you have permission to invite others to your workspace, you can follow the steps below to send invitations.

Desktop

iOS

Android

Invite members

  1. From your desktop, click your workspace name in the top left.
  2. Select Invite people from the menu, then click Members. (If you’re on the Standard or Plus subscriptions, you’ll also see the option to invite guests, which we’ve included instructions for below.)
  3. Enter the email addresses of people you want to invite. If you have a list of addresses to add, click Add many at once, paste them into the text box and click Add invitees.
  4. Under Default channels, click Edit/add to choose channels these invitees will automatically be added to.
  5. Click Send invitations to finish.

Note: Even if members can send invitations, only owners and admins can set default channels for new members.


Invite guests

On Standard and Plus subscriptions, workspace owners and admins can invite multi-channel or single-channel guests:

  1. Click your workspace name, then select Invite people and choose Multi-channel guests or Single-channel guests.
  2. Enter your guests’ email addresses. 
  3. Under Invite to, choose the channel(s) they’ll have access to.
  4. Set a time limit for how long they can access the channel(s) they’ll be invited to.
  5. Click Invite guests.
  1. Sign in to your workspace, then swipe left to open the right sidebar.
  2. Tap Invite people.
  3. Enter email addresses or tap Contacts to invite people stored on your device.
  4. Tap Send to finish.

Note: It’s not currently possible to invite guests from Slack’s mobile apps.

  1. Sign in to your workspace, then tap the  overflow icon in the top right.
  2. Tap Invite members.
  3. Enter email addresses or tap Contacts to invite people stored on your device.
  4. Tap Send to finish.

Note: It’s not currently possible to invite guests from Slack’s mobile apps.


Share an invitation link

Workspace owners and admins can create a link that anyone can use to join their workspace.

  1. From your desktop, click your workspace name in the top left.
  2. Select Invite people from the menu, then click Members.
  3. Click  Get an invitation link to share.
  4. Choose an expiry date from the drop-down menu. 
  5. Click Create invitation link.
  6. Click Copy, then share the link with anyone you want to join your workspace.

Note: Although members cannot create unique invitation links, they can share a link created by an owner or admin.


Allow email sign-up

Workspace owners can enable email sign-up. This allows people with an email address from a specific domain (e.g. your company’s domain) to join your workspace without an invitation. Before someone can join a workspace this way, we’ll send a validation link to their email address to verify their identity.

  1. From your desktop, click your workspace name in the top left.
  2. Select Administration, then Workspace settings.
  3. Next to Workspace sign-up mode, click Expand.
  4. Choose Any email address from these domains.
  5. Enter your domain(s), then click Save.

Tip: Workspace owners can learn more about managing a workspace’s sign-up mode here.


Manage pending invitations

Workspace owners and admins can view pending and accepted invitations and make either of the following changes:

  • Revoke invitation
    Revoke an invitation to prevent the recipient from using it
  • Resend invitation
    Send a new email invitation if the original has expired or got lost
  1. From your desktop, click your workspace name in the top left.
  2. Select Invite people from the menu.
  3. Click See pending and accepted invitations for your workspace.
  4. On the Pending invitations tab, click the  right arrow icon next to the invitation you want to view.
  5. Click Revoke invitationResend invitation or click the  down arrow icon to exit.

Invitation limits

You can send as many invitations to your workspace as you like, but here are some things to bear in mind:

  • If you’ve already sent several invitation but only a few have been accepted, Slack may temporarily limit your ability to send more.
  • Should this happen, all pending invitations will still be valid. Please note that revoking pending invitations will not lift an invitation limit.

To avoid reaching an invitation limit, only invite people who either ask to join or who you want to become a member of your workspace. If you reach this limit, let us know so we can help.

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