Brand
Slack
Subject line
Reminder: 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 "Reminder: Content older than one year will be deleted from your free workspace starting 27th June 2025". Tagged as Product Update, Follow up, it was sent on May 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 "Reminder" and names the specific deadline (27th June 2025), forcing free-tier users to decide immediately whether this affects them rather than burying urgency in feature language. The pattern here is "deadline plus consequence before explanation"; you can lift it for any product policy or deprecation email where inaction costs users something tangible.
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