Brand
Slack
Subject line
Notice: Content older than one year will be deleted from your free workspace starting 27th June 2025
Use case
Educate & EngageTags
About this email
This educate & engage email from Slack uses the subject line "Notice: Content older than one year will be deleted from your free workspace starting 27th June 2025". Tagged as Product Update, it was sent on April 29, 2025 as part of Slack's lifecycle sequence. Ongoing educational emails like this drive deeper product adoption by surfacing underused features, sharing best practices, and keeping users engaged throughout the lifecycle.
Slack journey
Why this works
**Why this works.** The subject line leads with a deadline and consequence (deletion) rather than burying the business rule in body copy, so free-tier users immediately understand they must act or lose data - this creates urgency without requiring them to read further. The pattern here is "state the stakes before the ask"; you can lift it for any product update email where compliance or data loss is the real driver you want users to internalize.
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