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Microsoft Teams apps and tabs

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Microsoft Teams apps and tabs

How Teams apps, tabs, bots, and message extensions work — and how to govern them.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-teams-apps-and-tabs

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01

The forms an app can take

Many published apps include multiple forms — for example, an HR system might offer a personal app, a tab, and a message extension.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-teams-apps-and-tabs

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02

Governance

Apps run with user permissions, so they can read what the signed-in user can read. Governance therefore matters:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-teams-apps-and-tabs

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03

Lifecycle

Custom apps go through a manifest (.zip package) deployed via the Developer Portal or the Teams admin center. Apps can also be published to the organisation's catalog so users see only your approved third-party plus int…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-teams-apps-and-tabs

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Why "runs with user permissions" is the key governance fact

The single most important thing to understand about Teams apps from a security standpoint is that most apps operate under delegated permissions — they see and act on exactly what the signed-in user could see and do them…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-teams-apps-and-tabs

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