Effective · 2022-09-01
Free plan changed
Slack replaces its Free 10,000-message limit with 90 days of history
Slack announced that the Free plan would switch to a 90-day history window on September 1, 2022. The old limit was a number of messages; the new limit is a period of time, so whether a workspace could see more or less history depended on its message volume. This describes the 2022 visibility change; retention rules may have changed since.
The change
Before and after
Free · Accessible message history
Before
Most recent 10,000 messages
After
Most recent 90 days of messages
Put it to use
What to check next
Review your own plan and usage. Current-plan details reflect the 2026-11-05 US capture.
Review your retention settings
Slack’s current help guidance says Free messages and files older than one year are permanently deleted; owners can choose deletion after 90 days.
Check what you need to keep
The current capture lists a 90-day accessible history on Free and unlimited history on paid plans. Retention settings and export options may affect your workspace.
The evidence
Open a detail to read the relevant part, or inspect the full capture.

Captured 2022-06-01 · Full capture · Source
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Captured 2023-10-03 · Full capture · Source
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