Blog de Slack Green

A Slack status for a doctor appointment says you are out and when you are back, such as 🏥 'At an appointment, back at 2 PM.' You do not have to say what kind. 24 statuses for doctor, dentist and other appointments, the emoji codes, and how to schedule the status so it clears by itself.

A Slack status for limited availability says you are around but slow, until when, and how to reach you if it is urgent, such as ⏳ 'Limited availability today, replies after 3 PM. Urgent: @mention me.' 30 statuses for busy days, slow replies and catching up, the emoji to use, and when to pause notifications too.

The usual Slack emoji for thank you are 🙏 :pray:, 🙌 :raised_hands: and ❤️ :heart:. For you're welcome, 😊 :blush: or 🤗 :hugging_face:. What each one says, which ones read wrong, and custom :ty:, :np: and :welcome: emoji your team can add in a minute.

React with ❤️, 🙏, 🫂 or 💐, never 👍 or ✅, then add a few words. Plus five gentle custom emoji to download, tested in real Slack.

A Teams status message for delayed responses says replies will be slow, until when, and what to do if something is urgent, such as 'In workshops all day, replies after 5 PM. Urgent: call me.' 28 templates by reason, including time zones and no-hello requests, and how to set one that clears itself.

One line with 🎂 :birthday: or 🎉 :tada:, Duration left on Today. 30 birthday statuses, emoji codes we tested, and 3 free birthday emoji to download.

A Slack status for maternity or parental leave fits in 100 characters: an emoji such as 🤰 or 👶, 'On maternity leave', the month you are back, and who covers your work. 24 statuses to copy, the emoji codes we tested in Slack, and how to set the duration and pause notifications for the whole leave.

A Teams status for maternity leave says you are on leave, roughly when you are back, and who covers your work, such as 'On maternity leave until March. Dana Kim is covering my work.' Templates for maternity, paternity, parental and adoption leave, the out of office reply, and how to set both before you go.

To find inactive users in Slack, a workspace owner or admin opens Admin, Workspace analytics, the Members tab, adds the Last active column and sorts oldest first. It needs a paid plan. Slack's Fair Billing Policy stops billing members after 28 days without use. How to check, export, and deactivate.

Yes. You show in the participant list and the sidebar shows who is inside. Join with Mute my microphone on and the camera off, but never invisibly.

When a Slack custom emoji shows as its :name: code, it was deleted or renamed, it belongs to another workspace, or your emoji display is set to plain text. A blank square means the image did not load. Fixes for each case, plus emoji missing from the picker and emoji that do not move.

Slack emoji codes are the names between colons, like :+1:, :eyes: and :white_check_mark:. Type a colon and part of the name, and Slack suggests the emoji. The codes teams use for reactions, status and work, how aliases and skin tones work, and a script that exports all 1,919 standard codes.

To hide Slack message previews, open Preferences, Notifications, scroll to Sounds & appearance, and uncheck Include a preview of the message in each notification. On iPhone, Mac and Android, set Slack's notification previews to Never or When Unlocked. Screen sharing, lock screens and email notifications.

The Slack formatting toolbar hides when you click Aa, and Slack remembers it. With Format messages with markup on, the toolbar and the Aa button both vanish. Tested fixes, the 10 buttons and their shortcuts.

Slack keeps up to 40,000 characters in a message's text and truncates anything longer, and its developer docs advise staying under 4,000 characters. Block Kit sections stop at 3,000 characters and headers at 150. What happens with long messages, other Slack text limits, and how to split a long post.

The custom Slack emoji that get used are short text badges (lgtm, on-it, blocked), reactions that replace a reply, status icons, and a few team in-jokes. 40 ideas grouped by job, how to make each one in a minute with a free emoji maker, and the size rules Slack sets.

To add a hyperlink in Slack, copy the URL, select the words in your message, and paste with Cmd+V or Ctrl+V. Or select the words and press Cmd+Shift+U (Ctrl+Shift+U) to add the link. Markup mode, bot and webhook syntax, mobile, and how to change or remove link text.

Slack's default profile picture is a plain person silhouette in one of 14 colors, drawn light or dark: 26 images, ava_0001 to ava_0026. Slack picks one for you and has no setting to change its color. The full color list with hex codes, why yours looks the way it does, and how to replace it.

Pasted as markdown text, a ChatGPT answer formats in Slack on its own, tables and code blocks included. Copied as formatted text, headings, tables and strikethrough break. Our 31 October paste test, with what Slack stored.

To change your time zone in Slack, click your profile picture, open Preferences, choose Language & region, and pick a zone under Time zone. Untick Set time zone automatically to stop Slack from switching it. On iPhone and Android you can only toggle automatic. Fixes for a Slack time zone that is wrong or keeps changing.

To turn off link previews in Slack for yourself, open Preferences, Messages & media and uncheck Show images and files from linked websites and Show text previews of linked websites. To remove one preview, hover over it and click the x. How admins block a website, how bots send links without previews, and why a preview does not show.

Check Allow animations in Preferences, Accessibility. We tested a GIF that plays once, the animations-off view, and the workspace GIF picker that is off by default.

To see someone's time zone in Slack, click their name or profile picture: their profile shows their current local time. That time comes from the time zone in their own Slack preferences, so it can be wrong if they set it by hand. Desktop, mobile, a whole-team script, and how to hide yours.

To make a Slack emoji with a transparent background, remove the background and save the file as a PNG or GIF, never a JPG. Free ways on the web, Mac, iPhone, Windows and the command line, why a white box shows up in dark mode, and the size Slack needs.

To strikethrough text in Slack, select it and press Cmd+Shift+X on a Mac or Ctrl+Shift+X on Windows, or type one tilde on each side of the words. On iPhone and Android, select the text and tap Aa, then strikethrough. When to use it, and why it sometimes does not work.

Pasted standard markdown now formats in Slack on paste, tables included. Typed ~~strike~~ and [text](url) do not, markup mode keeps stray asterisks, and bots need mrkdwn. From our 27 October tests.

A GIF posted in a Slack message can be up to 1 GB, the limit for any file, and it previews inline if it is under 25,000 pixels on its longest side. A GIF emoji is the tight limit: square, under 128 KB, and up to 50 frames. How to shrink a GIF that Slack says is too big.

To bold text in Slack, select it and press Cmd+B, or Ctrl+B on Windows, or type one asterisk on each side. Typed and pasted double asterisks turn bold too; bots and markup mode need one. Italic, mobile and bot syntax.

Zoom in on Slack with Cmd and + (Ctrl and + on Windows), zoom out with Cmd and -, reset with Cmd and 0. Slack's code allows 5 steps in (249%) and 3 out (58%); we printed it from Slack 4.52.182 on 2 November 2026.

The funniest Slack profile pictures are simple and square: your pet looking serious, a potato, you as a famous painting, a rubber duck. 40 ideas by type, which ones are safe at work, the right size (512 to 1024 pixels), and how to change your Slack photo on desktop and mobile.