Outage in Slack
Trouble uploading files and emojis in Slack
Resolved MinorIncident Report
Summary AI Generated
Slack experienced a global issue where users encountered slow or failing file and emoji uploads due to a frontend error. The problem affected file attachments and emoji uploads, causing them to take longer than expected or fail to complete. Slack identified the root cause, deployed a fix, and was monitoring the environment to confirm full resolution of the 1.6-hour incident.
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.
Components affected
Slack FilesTrusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
about 6 hours ago - at 05/19/2026 08:51PM
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.
Latest Slack outages
EKM customers were previously experiencing issues with channel loading and message delivery - 11 days ago
Slow behaviour in Slack - 16 days ago
Never miss outages in third-party dependencies
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
