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Fix Organization-Built Apps Missing in Microsoft Teams V2

Algirdas Jasaitis Sep 28, 2026 869 views

Question details

Users are unable to find or access organization-built applications after migrating from Classic Teams to the new Microsoft Teams V2.

How to Fix Organization-Built Applications Missing After Migrating to Teams V2

Product: Microsoft Teams
Device & OS: not provided
Scenario: Migrating from classic Microsoft Teams to the new Microsoft Teams V2 client.
Observed behavior: Custom or organization-built applications are missing or unavailable in the new client interface due to potential tenant configuration or backend service issues.

Before you start

Verify that you have updated to the latest version of the Microsoft Teams V2 client and confirm who your organization's Microsoft 365 Global Administrator is, as admin privileges are required to resolve this.

Solution 1Recommended

Open a Service Request via Microsoft 365 Admin Center

Since this issue often involves backend tenant configurations, it requires investigation by Microsoft Support using advanced logs.

This is a backend service or tenant configuration issue. Community moderators and standard users do not have the permissions or tools to collect the necessary logs or make backend changes.

Identify your Administrator

Contact your organization's Microsoft 365 Global Administrator or IT department, as they hold the necessary permissions to open a ticket.

Access the Admin Center

Have the administrator log in to the Microsoft 365 Admin Center using their global admin credentials.

Open a Support Request

Navigate to the 'Support' section in the left-hand menu and select 'Help & support' to open a new service request regarding the missing Teams applications.

Contact Reseller (If Applicable)

If your organization's Microsoft 365 subscription was purchased through a third-party reseller, the administrator should contact the reseller's support directly for assistance.

Open a Service Request via Microsoft 365 Admin Center

Advanced Logs Required: Microsoft's backend support team may need to collect advanced logs through a remote session with your IT admin to identify the synchronization failure.

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Frequently Asked Questions

Why do my custom apps disappear when switching to the new Microsoft Teams?

Migrating to Teams V2 involves backend architecture changes. If your organization's tenant configuration hasn't been properly synced or updated for the new client, custom apps may temporarily disappear.

Can a standard user fix the missing apps issue in Teams V2?

No, standard users cannot resolve this issue on their own. It requires a Microsoft 365 Global Administrator to check tenant settings or contact Microsoft support for backend fixes.

How do I switch back to classic Teams to access my apps?

If your admin hasn't disabled it, you can toggle off the 'New Teams' switch in the upper-left corner of the Microsoft Teams client to revert to the classic version and access your apps temporarily.

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