Trouble uploading files and emojis in Slack

What to do

• Check whether you use Slack Files. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 1h 36m it lasted.

  Anything that failed between 2026-05-19 20:51 UTC and 2026-05-19 22:27 UTC may need a replay.

• Subscribe to Slack's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=slack works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Slack 2

1. updateMay 19, 2026, 8:51 PM UTC

   We've identified the trigger, causing slow file and emoji uploads in Slack, and have deployed a fix. At this time, we are monitoring the environment to confirm full resolution. Current status and actions being taken: We've identified a frontend error as the cause of the issue and have deployed a fix. We're actively monitoring our health metrics to confirm the fix has resolved the issue for all users. Estimated time to resolution: No ETA at this time. Scope : Users globally may be experiencing this issue. Current impact to end users: Some users may experience slowness when uploading files and emojis in Slack. Attaching or sending files may be taking longer than expected — or failing to complete in a timely manner. Known workarounds: No workarounds at this time. We'll provide another update as soon as we have more information to share.

   provider

2. updateMay 19, 2026, 10:27 PM UTC

   This issue is now resolved for all users. Current status and recent actions taken: The fix has successfully deployed, and our health metrics have stabilized. The issue is now fully resolved for all affected users. Scope: This wasn't affecting any specific region, but a percentage of users may have been affected globally. Previous impact to end users: Some users may have experienced slowness when uploading files and emojis in Slack. Attaching or sending files may have taken longer than expected — or failed to complete in a timely manner. Required resolution steps: No additional steps are required. We apologize for any disruptions to your day.

   provider

Corrections

None so far.

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