Slack Desktop App Consumes Excessive Memory and Feels Sluggish
Users report the Slack desktop client uses a large amount of system memory and performs sluggishly during normal use. This is a common complaint about Electron-based messaging clients affecting daily productivity.
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Similar Problems
surfaced semanticallySlack Desktop App Lags With High Memory Use Across Multiple Workspaces
Running several Slack workspaces at once drives high memory use and sluggish performance. It affects people who work across organizations.
Slack Desktop Client Too Resource-Intensive on macOS
The Slack desktop app on macOS consumes excessive CPU and memory, causing system slowdowns during normal use. The Electron-based architecture is the root cause — a structural constraint not easily patched. Enterprise users running Slack alongside other heavy tools feel the impact most acutely.
Slack consumes excessive RAM and slows laptops during huddles
Users report Slack uses a large amount of RAM and noticeably slows their laptop, especially while in a huddle call. This is a widely-experienced performance problem given Slack's broad daily-active-user base.
Slack Desktop App Uses Heavy RAM and Makes Old Files Hard to Find
A user reports Slack desktop slowing their PC, distracting notifications, and slow retrieval of old files and links. These are common complaints about chat tools at scale.
Slack's Resource Usage and Huddle Feature Need Improvement
A user describes Slack as heavy software to run and suggests its huddle (voice/video) feature could be improved. A brief, low-detail performance and feature complaint rather than a significant blocker.
Problem descriptions, scores, analysis, and solution blueprints may be updated as new community data becomes available.