Now that Microsoft has launched its Teams Premium service, it's shaking up the free offering for work — and not everyone will be happy.

Your office will have to pay for at least the Teams Essentials plan ($4 per user per month) to preserve chats, meetings, channels and other key info.

This won't affect personal use, but it could prove to be a headache for small firms that previously relied on the free Teams to coordinate.

They'll either have to start paying or they'll lose access to past discussions, not to mention deal with the headache of recreating their channel setups.

This won't necessarily lead customers to switch to alternatives like Slack, particularly if they're heavily invested in Microsoft's ecosystem.

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