Companies/Slack/Incidents

Slack: Trouble uploading files and emojis in Slack

Affected components: Files

Timeline of updates

1. update2026-05-19 20:51 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.

2. resolved2026-05-19 22:27 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.

Impact, status and times are the vendor’s own, as last archived. View on slack-status.com (opens in new tab).

Slack profileRecent Slack incidentsAll outages on May 19, 2026Slack in May 2026MarkdownJSON