Short answer: Use email for formal external communication, chat for quick internal conversation, and tasks for anything that needs to be done by someone by a certain time.
Clients and suppliers.
Formal records.
Chat
Quick questions.
Team conversation.
Tasks
Requests with an owner and deadline.
Work that needs proof.
Frequently asked questions
What about urgent things?
Call for real emergencies, then record the action as a task.
Try it with your team
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