After you switch from classic Teams to the new Teams app, starting a new chat may fail. The compose box stays empty, the New chat button does nothing, or an error message appears. This problem usually comes from a corrupted local cache or a stale profile that the new Teams app inherited. This article explains … Read more
When you click the emoji or GIF button in a Teams chat, nothing happens. The picker window stays closed, or it opens blank and then disappears. This problem usually comes from a corrupted Teams cache, an outdated app version, or a conflict with Windows display scaling. This article explains the root causes and gives you … Read more
When you click the emoji or GIF button in a Teams chat on the web, nothing happens. The picker panel stays closed, or the page freezes for a few seconds. This usually happens because of a blocked browser pop-up, an outdated browser, or a corrupted Teams cache. This article explains the root cause and gives … Read more
You signed in to Teams on your phone, and now the emoji and GIF picker will not open on your desktop. The picker button appears grayed out or does nothing when clicked. This issue usually follows a mobile sign-in because Teams stores your active profile and cached settings from that session. This article explains why … Read more
When you chat with a contact who uses a shared mailbox in Microsoft Teams, the emoji and GIF picker may refuse to open. The picker button appears, but clicking it does nothing, or the panel flashes and disappears. This issue usually stems from a corrupted Teams cache or an outdated app version. This article explains … Read more
After upgrading to the new Microsoft Teams desktop app, you may click the emoji or GIF button in a chat and nothing happens. The picker panel stays closed, or it opens blank and then disappears. This problem appears right after your organization moves you from classic Teams to the new Teams, and it is caused … Read more
When you send a chat message in the Teams desktop app and see a red exclamation mark with the text Delivery failed, the message did not reach the recipient. This usually happens because of a temporary network outage, a problem with the Teams service, or a policy that blocks external messaging. This article explains the … Read more
If you use Teams on the web and see a red error icon next to your message, chat delivery is failing. This usually happens because of a network interruption, an expired sign-in token, or a browser cache conflict. The message is stuck in a pending state and may not reach the recipient at all. This … Read more
When you open the Teams desktop app and your chat history is gone, you lose access to important conversations and shared files. This issue usually happens after a client update, a cached profile corruption, or a sign-in problem. In this article, you will learn the main causes and the exact steps to restore your missing … Read more
Chat history can vanish in Teams for the web, leaving you without past messages. This usually happens because the browser cache holds outdated data or because the web app fails to sync with the server. The problem is not that your messages are deleted, but that the web client cannot load them correctly. This article … Read more