It's not possible to restrict archiving/deleting to only admin. Anyone with access to the board can archive and delete cards.
Only an observer would be restricted, but they would also be restricted to only being able to comment (and vote) on cards.
This community is celebrating its one-year anniversary and Atlassian co-founder Mike Cannon-Brookes has all the feels.Read more
You’re invited to our first ever Trello User Groups Good news for current and aspiring Trello enthusiasts! We’re launching Trello User Groups so that you can network, share ideas, solve ...
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