1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Workspace settings.
3. Below Administration in the left sidebar, click   Security settings. 
4. Next to Two-factor authentication for email sign-in, click Edit.
5. Check the box next to Require members to have 2FA set up. If you’d like, select Authenticator apps only to prevent people from using SMS for 2FA.
6. Click Save. Members will get an email and a direct message (DM) from Slackbot to help them get set up.

People who don't set up 2FA within 24 hours will be signed out of Slack and prompted to set up 2FA before they can sign in again. New members will be required to set up 2FA before creating an account and signing in to Slack.

1. From your desktop, click your organization name in the sidebar.
   
2. Hover over Tools & settings, then click Organization settings.
3. From the sidebar, click  Security, then click Security settings.
4. Next to Two-factor authentication for email sign-in, click Edit. 
5. Check the box next to Require members to have 2FA set up. If you'd like, select Authenticator apps only to prevent people from using SMS for 2FA.
6. Click Save. Members will get an email and a direct message (DM) from Slackbot to help them to get set up.

People who don't set up 2FA within 24 hours will be signed out of Slack and prompted to set up 2FA before they can sign in again. New members will be required to set up 2FA before signing in to Slack.

Workspace Owners and Admins can see which members have 2FA set up:

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Manage members.
3. Select Filters in the top right.
4. Below Authentication, check the box next to Two-factor (2FA).

Workspace Owners and Admins of workspaces in an Enterprise org can see which of their members have 2FA set up:

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Manage members.
3. Select Filters in the top right.
4. Below Authentication, check the box next to Two-factor (2FA).

Note: You can only see who has 2FA enabled at the workspace level at this time.

If a member gets locked out, Workspace Owners and Admins can temporarily turn off 2FA for that person. On their next sign-in attempt, they'll be prompted to set up 2FA again. Here's how to turn off 2FA for a member:

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Manage members.
3. Click the  three dots icon to the right of the member's name.
4. Choose Disable 2FA.

1. From your desktop, click your organization name in the sidebar.
   
2. Select Tools & settings from the menu, then click Manage members.
3. Click the  three dots icon to the right of the member's name.
4. Choose Disable 2FA.

What to expect

• Workspace Owners must set up 2FA for themselves to keep their backup password secure. 
• Guests must set up 2FA if they are not required to use SSO. 
• On workspaces where SSO is optional, members can use SSO or their email address and password to sign in to Slack. These members will also be notified when workspace-wide 2FA is turned on.
• 2FA in Slack will be turned off when a member connects, or binds, their SSO account.

What to expect

• Org Owners must set up 2FA for themselves to keep their backup password secure.
• Members and guests must set up 2FA if they are not required to use SSO.