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Slack scheduling keeps your team in the loop without the manual work. Schedule announcements, content alerts, or recurring updates to any channel - written and timed alongside the rest of your content calendar. Slack Announcement

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Overview

This page covers scheduling messages to Slack channels. Ordinal also offers Slack notifications and Slack Boost for team amplification - see the callouts below.

Connecting Slack

Connect your workspace and channels

Drafting a Message

Formatting, mentions, and attachments

Attachments

Images and videos

Use Cases

When to use Slack scheduling

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Connecting Slack

Go to Settings → Profiles → Scheduling → Slack, click Connect Slack, and sign in to your workspace. Choose which channel Ordinal can post to. Each channel appears as a selectable profile when creating posts.
The Ordinal app must be invited to private channels. Type /invite @Ordinal in the channel first.

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Drafting a Slack Message

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What you can post

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Formatting

The editor supports Slack’s markdown-style formatting:
  • Bold: Use the toolbar or Cmd/Ctrl + B
  • Italic: Use the toolbar or Cmd/Ctrl + I
  • Code: Inline code formatting
  • Links: Paste URLs or use the link button
  • Lists: Bullet and numbered lists
  • Emoji: Type :emoji_name: or use the emoji picker
Formatting converts to Slack’s native syntax when published, so your messages look native in the channel.

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Mentions

Tag users, channels, and broadcast to everyone:
User and channel mentions require Slack IDs (not display names). You can find these in Slack by right-clicking a user or channel and copying the link.

Drafting Posts

Full guide to formatting, slash commands, and keyboard shortcuts.

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Attachments

You can attach one image or video per Slack message. Drag and drop files into the editor, paste from clipboard, or use the attachment button. If you need to share multiple files, consider posting them separately or linking to a shared folder.

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FAQ

You may need workspace admin permission to add apps. Check with your Slack admin.
Verify the channel still exists and Ordinal hasn’t been removed from your workspace.

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Use Cases

  • Scheduled announcements: Company or community updates, policy changes, etc.
  • Recurring messages: Weekly reminders, monthly reports, etc.

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Other Slack Features

Ordinal offers additional Slack integrations beyond scheduling:

Notifications

Get Slack alerts when posts publish, fail, or need approval.

Slack Boost

Automatically share published social posts with your team for engagement.

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Learn More

Discord

Similar use case with webhook-based connection.

Scheduling posts

Set the perfect time for your content.