How to Create a Birthday Channel in Slack

Set up a Slack birthday channel, choose who can see it, invite teammates, agree on consent and posting rules, and decide whether reminders or automation fit.

By Kelasa team · November 2, 2026

To create a birthday channel in Slack, use the plus sign in the desktop sidebar, choose Channel, name it (for example, #birthdays), choose public or private, and click Create. Then add the people who want to participate and agree on who will post greetings. A channel organizes celebrations; it does not discover birthdays or send birthday messages on its own. The setup below follows Slack's published help pages, not a hands-on test in a workspace.[1]

Should you make a separate birthday channel?

A dedicated channel can keep greetings out of project conversations and give teammates one place to respond. If celebrations are rare, an existing #celebrations channel may be enough; avoid creating another channel nobody will use. #birthdays makes the purpose explicit, while #team-milestones can also accommodate anniversaries. Use whatever naming convention your workspace already follows. Slack recommends clear channel names and a topic or description so people know what belongs there.[2]

A public channel is discoverable by workspace members, and its messages are searchable by those members. A private channel limits access to invited members. Neither is a substitute for asking a person whether they want their birthday announced. Decide the audience before choosing the channel type, especially if your team includes guests or external collaborators.[3]

Step 1: Create the channel

On desktop, click the plus sign in the sidebar and select Channel. Slack says paid-plan users may see Blank channel or a template; choose the regular channel if you want to set it up yourself. Enter the name, choose public or private, and click Create. On mobile, Slack documents Home → plus sign → name → Next → channel type → Create.[1]

Slack says channel creation is available on all plans by default, but owners can restrict who creates channels. If the option is unavailable, ask a Workspace Owner rather than assuming it is a billing problem.[1] The exact labels in your workspace may differ; confirm them there before rolling this out.

Step 2: Set a clear purpose and invite teammates

In the channel, click its name in the header, find Description, and edit it. Slack says a channel description appears in channel details and desktop channel search.[4] For example:

Opt-in birthday greetings for our team. Ask before sharing anyone's date or mentioning them. A coordinator posts the announcement; replies belong in its thread. Contact the coordinator to opt out or correct a date.

To add colleagues on desktop, open the channel, click the member icon at the top right, choose Add people, select members, and click Add. Slack documents this flow for channels on all plans.[5] You can invite people to the channel, but make participation voluntary where possible. Keep a separate, access-limited birthday roster for the coordinator; don't paste the full list, birth years, or unannounced dates into the channel. For a simple roster and consent process, see how to track employee birthdays.

Step 3: Agree on an announcement process

Choose one coordinator and a backup. Ask each person whether they want a channel greeting, whether a name mention is welcome, and whether they want their month/day recorded at all. Decide what to do with weekend birthdays and time zones. Remove people who opt out or leave the team from the coordinator's list. A short sample greeting could be:

Happy birthday, Alex! Wishing you a lovely day. 🎉

Only post that text after Alex agrees to a public greeting. Avoid @channel or @here for routine birthday wishes; other teammates can read and reply without a broad notification. Use a thread for replies if your team prefers a quieter channel. Slack's channel notification settings let individuals adjust how often they are alerted.[6]

Step 4: Pick manual reminders or date-aware automation

For a small team, a coordinator can keep the roster privately and use a personal reminder to check it. Our guide to setting birthday reminders in Slack covers the manual method. A shared recurring message from Slack's scheduled-message workflow template can prompt a coordinator to check the list, but the documented template does not identify whose birthday is today by itself.[7]

If you need the channel to receive a birthday-specific message without someone checking dates, compare a date-aware integration with the birthday-message automation guide. Decide who maintains the dates, how opt-outs are honored, and what happens if a post fails or repeats. Test with a consenting example person and check the destination channel, local date, and notifications before relying on it. We have not tested these steps in a Slack workspace or captured original screenshots.

If a daily digest fits your team better than a human-managed channel, explore Kelasa BirthdayBot's overview. The landing page describes birthdays and work anniversaries in a daily Slack digest with a chosen channel, schedule, and workspace time zone; it does not claim to collect dates from Slack profiles automatically. Check the current setup against your needs before entering real birthdays.

Sources and verification notes

The channel steps are documentation-backed and should be checked against your workspace permissions and current Slack interface. No hands-on Slack test or original screenshot is claimed.