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Upload your app in Teams

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You can sideload Microsoft Teams apps without having to publish to your organization or the Teams store in the following scenarios:

  • You want to test and debug an app locally yourself or with other developers.
  • You built an app for yourself to automate a workflow.
  • You built an app for a small set of users, such as, your work group.

Note

Sideloading your messaging extension app multiple times displays more than one instance for messaging extensions.

Important

  • Currently, sideloading of apps is possible only in Government Community Cloud (GCC) and is not possible in GCC-High and Department of Defense (DOD).
  • App installation is supported only on Teams desktop client.

Prerequisites

Upload your app

You can sideload your app to a team, chat, meeting, or for personal use depending on how you configured your app's scope.

  1. Log in to the Teams client with your Microsoft 365 development account.

  2. Select Apps > Manage your apps and Upload an app.

    Publish an app

  3. Select Upload a custom app.

    Upload a custom app

  4. Select your app package .zip file.

  5. Add your app to Teams as per your requirement:

    a. Select Add to add your personal app.
    b. Use the dropdown menu to add your app to a Team or chat.

    App description

Troubleshoot

If your app fails to sideload or encounters any issues to upload, check the following options:

  1. Ensure that you've followed all the instructions for creating your app package.
  2. Validate your app package.
  3. Ensure your app manifest matches with the latest schema.

Manage your apps

Manage your apps allows users to have a dedicated place to manage, update and remove their apps, permissions, and subscriptions on the Teams client. The users can install the apps from Manage your apps.

Access your app

To access apps through Manage your apps, follow the steps:

  1. Go to Apps and select Manage your apps in Teams to view the installed apps across all your channels or for personal use in a list format.

    Access teams apps list

  2. Select the app dropdown to view all the scopes where the app is installed.

    Access teams app scope

  3. Select the scope of app to go to the app in the channel or personal view. The list of scopes consists of personal scope and teams scope only. Apps installed in group chat scope aren't displayed in this view currently.

Teams provides several ways to open apps. For more information, see access your apps in Teams.

Update your app

You don't have to sideload your app again if you make code changes (these are reflected in Teams in real-time). However, you must reinstall if you change any app configurations.

If an update is available to your app, then the Update available option is enabled. To update, follow the steps:

  1. Select Update available to view update.

    Update Teams app.

  2. Select View update. A window with update option appears.

  3. Select Update to update your app.

    Update Teams app in manage apps.

    Updated app.

Remove your app

To remove app from Teams, follow the steps:

  1. Find the app in Manage your app.

  2. Select   Remove app in Teams.   at the scope of the installed app.

    Remove app in a channel.

  3. Select Remove to remove your app.

    Remove an app from Teams.

Note

  • You can't remove personal bot activity entirely. If you remove the app and add it again, new communication with the bot appends to the previous conversation with it.
  • Currently, you can't migrate your custom app to the Teams store. If you want to list your app to the Teams store, see how to publish your app to the Microsoft Teams store.

Next step

Create apps for Teams meetings

See also