Can't Sign In to Slack or Forgot Which Workspaces You're On? Find Them Fast

You can’t get past the Slack sign-in screen, or you simply don’t remember which workspace URL to type.

Why: Slack ties workspaces to your email address, not a single login. So the fix is almost always to let Slack email you the list of workspaces your address belongs to — no URL or password needed. The most common gotcha is signing up with a different email than you’re now trying to use.

Fix 1: Let Slack email you your workspaces

If you don’t know your workspace URL:

1. Go to slack.com/signin/find (the “Find your workspace” page).
2. Enter the email address you use for work and click Continue / Confirm.
3. Slack emails you a list of every workspace associated with that address. Open the email and click the workspace you want — that signs you straight in.

If the email doesn’t arrive, check spam, and ask IT to allow mail from @slack.com and @slack-mail.com.

Fix 2: Sign in with a password-free code

If you have the URL but the password won’t work:

1. Go to slack.com/signin (or click Sign in in the desktop app) and enter your workspace URL.
2. Enter your email address and choose Sign in with email instead of typing a password.
3. Slack sends a 6-character confirmation code to your inbox. Enter it to sign in — no password required.

This avoids password problems entirely. If your workspace uses single sign-on, you’ll be sent to your company’s login (Google, Okta, etc.) instead.

Fix 3: Make sure you’re using the right email

Many “I can’t sign in” cases are simply the wrong address:

1. If you have separate personal and work emails, your account may live under the other one.
2. Re-run Fix 1 with each email address you own. Whichever one returns the workspace you expect is the account you signed up with.
3. Still nothing? You may have used Continue with Google or Continue with Apple originally — try those buttons on the sign-in screen with the matching account.

FAQ

Where do I find my workspace URL? It looks like yourteam.slack.com. If you’ve ever opened it, it’s in your browser history — or just use the email finder in Fix 1.

The code email never arrives. Wait a minute and check spam. If it still doesn’t come, the address probably isn’t tied to a Slack account — try a different email or ask a workspace admin to invite you.

Can I be signed in to several workspaces at once? Yes. In the desktop app, click the + at the bottom of the left workspace rail to add another, and switch between them anytime.

Sources: Slack Help Center — Sign in to Slack · Slack Help Center — Locate your Slack URL or ID