Microsoft does not allow its employees to use Slack, GeekWire's Nat Levy and Todd Bishop reported, citing an internal document.

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While Microsoft has a rival workplace chat app, called Microsoft Teams, the tech company reportedly cites security risks as the reason for its internal Slack ban.

The company gives the following explanation in an internal list of software and online services it restricts or discourages employees from using, according to GeekWire:

Slack Free, Slack Standard and Slack Plus versions do not provide required controls to properly protect Microsoft Intellectual Property (IP).

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