---
title: "8x8 Teams App fails to load after signing in"
slug: "8x8-teams-app-fails-to-load-after-signing-in"
updated: 2026-05-17T16:37:21Z
published: 2026-05-21T21:28:29Z
canonical: "help.8x8.com/8x8-teams-app-fails-to-load-after-signing-in"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 8x8 Teams App fails to load after signing in

## Overview

This article provides a solution to an issue of the **8x8 Teams App** add-in appearing blank or otherwise displaying an error in the Microsoft Teams client when:

- The user logs into the 8x8 Teams App with valid Microsoft credentials.
- And the user has confirmed that the issue does not exist in the Microsoft Teams **Web** or **Mobile** applications.

**Working Example:**

![8x8 dashboard interface showing options like Voicemail, Contacts, and Profile settings.](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/image1755804734750.png)

**Issue Example:**

![Welcome screen for 8x8 Voice for Microsoft Teams with sign-in instructions and guidance links.](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/image1755804458969.png)

## Applies To

- 8x8 Voice for Teams
- 8x8 Teams App (Add-in)
- Microsoft Teams

## Cause

This issue is likely to be caused by a corrupted Microsoft Teams client cache on the user's computer.

## Resolution

Clearing the Microsoft Teams client cache on the user's computer may solve this issue, and can often resolve other issues, as well.

**For instructions, please see Microsoft's guidance in this external Microsoft article:**

- [Clear the Teams client cache](https://learn.microsoft.com/en-us/troubleshoot/microsoftteams/teams-administration/clear-teams-cache)

## Additional Information

- [8x8 for Microsoft Teams App](/support/docs/8x8-for-microsoft-teams-app)