Slack

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Slack is a cloud-based set of proprietary collaboration tools and services. It's meant for teams and workplaces, can be used across multiple devices and platforms.

Problems in the last 24 hours

The graph below depicts the number of Slack reports received over the last 24 hours by time of day. When the number of reports exceeds the baseline, represented by the red line, an outage is determined.

Slack Outage Chart 01/27/2026 19:00

At the moment, we haven't detected any problems at Slack. Are you experiencing issues or an outage? Leave a message in the comments section!

Most Reported Problems

The following are the most recent problems reported by Slack users through our website.

  1. App Crashing (40%)

    App Crashing (40%)

  2. Sign in (40%)

    Sign in (40%)

  3. Connection (20%)

    Connection (20%)

Live Outage Map

The most recent Slack outage reports came from the following cities:

Loading map, please wait...
City Problem Type Report Time
United StatesLexington Sign in
FranceCreil Connection
IndiaNew Delhi App Crashing
United StatesSalt Lake City Sign in
United StatesMiami App Crashing
United KingdomBath Sign in
Map Full Outage Map

Community Discussion

Tips? Frustrations? Share them here. Useful comments include a description of the problem, city and postal code.

Beware of "support numbers" or "recovery" accounts that might be posted below. Make sure to report and downvote those comments. Avoid posting your personal information.

Slack Issues Reports

Latest outage, problems and issue reports in social media:

  • PUNK_design Fernando-B (@PUNK_design) reported

    @SlackHQ you need a fix for the threats issue! Or hire QAs

  • proudofmy4kids Fräu·lein Diana, FKA “Dana Wiper” (@proudofmy4kids) reported

    @SlackHQ Plz fix your threads... :'(

  • TheSethSpears SethSpears (@TheSethSpears) reported

    @SlackHQ @wins32767 SHIFT+ESC fixes the issue @SlackHQ

  • iamdansnow daniel snow (@iamdansnow) reported

    Few things drive me crazier in life than slack notifications that wont go away @SlackHQ this seems like a simple fix? COME ON MAN!

  • doingthemost__ Lo 👽 (@doingthemost__) reported

    @SlackHQ fix your unread thread bug ASAP thanks

  • ConnorAltDelete Connor Murphy (@ConnorAltDelete) reported

    Threads being broken in @SlackHQ is what's finally going to push me over the edge...

  • giacaglia Giuliano Giacaglia (@giacaglia) reported

    @stewart @slack @SlackHQ I’ve noticed the issue today but this issue that I mentioned has continually been happening in the past few weeks. I will ping this thread again when I see it again after this outage is resolved

  • audr3x audge (@audr3x) reported

    .@SlackHQ fix your ****

  • theckman Tim Heckman (@theckman) reported

    The big issue with the @SlackHQ outage isn't that threads are broken, it's that my Slack client keeps making it seem like I have unread threaded messages and it's driving me ******' mad.

  • rena_levin Rena (@rena_levin) reported

    .@SlackHQ if you don’t fix this thread issue RIGHT now i can’t guarantee I won’t do something destructive

  • jasonmashak J. Maszak (@jasonmashak) reported from Brno, Jihomoravský kraj

    @SlackHQ how about an announcement that services are down?

  • jonfath jonfath (@jonfath) reported

    @SlackHQ threads is down?

  • mboisso Maxime Boissonneault (@mboisso) reported

    1/2 @SlackHQ has issues today... discussion from a Slack team: X: I keep getting Threads bolded, but it only shows me a nine-day-old thread. Still working better than MS Teams on its best day! Y: Teams works so great on Linux that MS is killing the desktop app.

  • MeeshFrancisco Michelle Francisco (@MeeshFrancisco) reported

    Dear @SlackHQ your notification issues are driving me insane. 😭

  • jennydove Jenny Wanger (@jennydove) reported

    @triketora @SlackHQ I found a (temp) fix: shift+esc marks all messages in that workspace as read. Been using it a bunch today.

  • AdamNeumannsCoS Adam Neumann’s Chief of Staff (@AdamNeumannsCoS) reported

    “Threads” goes down on @SlackHQ and the entire tech industry grinds to a halt.

  • Flooie Bill Palin (@Flooie) reported

    @SlackHQ @mlissner Hi @SlackHQ, Ive emailed you details as requested. I’m not sure where the fault lies but you certainly want to fix this. ASAP

  • Ianmurren Ian (@Ianmurren) reported

    @SlackHQ any fix for the constantly bolded Thread in the side bar?

  • whale Matthew (@whale) reported

    @SlackHQ How do you suggest viewing thread communications given that they're down?

  • jer979 Jer979.xrd ∛ (@jer979) reported

    @SlackHQ threads not appearing for me on desktop or mobile. Known issue?

  • VelocityWong Wailin Wong (@VelocityWong) reported

    @Propllrhead @SlackHQ As an anxious person who must clear unreads/notifications immediately, this is also ruining my day! I guess it's a Slack-wide issue 😭

  • daveyheuser Davey Heuser (@daveyheuser) reported

    Slack threads aren’t showing new content despite indicating that there’s new activity. Anyone else having a similar issue? // @SlackHQ

  • alexsongis Alex Song (@alexsongis) reported

    @triketora @SlackHQ Slack threads is down today

  • pwrpwny понибой (@pwrpwny) reported

    @SlackHQ hey Slack! On both desktop and mobile, my app is saying that I have replies to a thread. When I try to check the replies, it won’t show me the replies. Is there a fix for this?

  • AutomateBeer Abhishek Mahindrakar (@AutomateBeer) reported

    Someone please fix @SlackHQ

  • aaronbatilo Aaron (@aaronbatilo) reported

    I actually figured out how to get around the @SlackHQ problems. Instructions in 🧵... #slackoutage #slackincident

  • taylorallisondc Taylor Allison (@taylorallisondc) reported

    pls @SlackHQ fix your threads issues i can't see anything and i'm starting to lose it

  • KrisSiegel Kris Siegel (@KrisSiegel) reported

    @triketora @SlackHQ Been broken for over 5 hours so far...not holding out hope it gets fixed today 😬 (It's been driving me nuts, too)

  • wins32767 wins32767 (@wins32767) reported

    @SlackHQ you've got to help me. I have nothing in my Threads view but it won't mark as read and so I have the red circle of doom staring at me all day long. It's across multiple devices and persists through shutdown!

  • therealchaseeb Based Charker 🧑🏽‍🚀🔫🧑🏽‍🚀 (@therealchaseeb) reported

    @ClassicScuba @SlackHQ @SlackHQ fix this IMMEDIATELY