Slack is worth paying for … if you're a company. If you're using Slack for an online community, though, you should probably just stick with the free version. That's partly because most of Slack's paid ...

Slack is making a big change to the message history limits available to free users. The team communication platform will no longer keep messages and files older than a year, starting in August. Slack ...

Slack auto-erases messages after a year. Back them up regularly. Free plans only allow exporting public channel messages. Pro, business, and enterprise plans can export everything. To back up Slack ...