Deleting chat history in Microsoft Teams is divided into two ways: deleting a single message and clearing the entire conversation. To delete a single message, you can find the message and click "..." to select "Delete", but it is only visible to yourself and cannot delete content sent by others. If you need to clear the entire chat history, you can click "..." in the upper right corner of the chat window to select "Clear Chat History" to clear the local record; if you need to completely delete all users' data, you must contact the system administrator to operate through the background policy, and ordinary users cannot achieve global deletion.

It is not difficult to delete a chat history in Microsoft Teams, but many people may not know whether to delete the entire conversation or just delete the content on their own. Teams provides two main ways to delete: one is to delete a single message, and the other is to clear the entire chat conversation . Let me talk about how to operate in detail.

Delete a message

If you just want to delete a specific message instead of the entire chat, you can use this method:

• Open the chat window where you want to delete the message
• Find that message and hover your mouse over
• Click the three dots (…) buttons appearing on the right
• Select "Delete"

Note: You can only delete the messages you sent yourself, and you cannot delete the messages sent by the other party. Also, once deleted, the message will disappear from your chat history, but it will still exist on the other side.

Clear the entire chat conversation

If you want to completely clear the chat history with someone or a group, you can use this method:

• Open the corresponding chat window (one-on-one or group chat)
• Click the three dots (…) menu in the upper right corner
• Select Clear Chat History
• Click "Clear" after the confirmation box pops up

After doing this, your local chat history will be completely cleared , but it will not affect other people's chat history. In other words, this is just a cleanup of "you" and not a global deletion.

Want to completely delete all records? That's up to the administrator

If you are an enterprise user and need to "completely delete" a certain chat content (such as compliance requirements), ordinary users cannot do it. At this time, you need to contact your system administrator and process it through background policies or data retention rules.

Some companies will also set up automatic cleaning strategies, such as chat history only remains for 90 days. This type of setting cannot be seen or changed by ordinary users, and it is controlled by the IT department.

In general, deleting chats in Teams is not complicated, but be careful that all you delete is the content on your side. If you want to make it impossible for everyone to see it, you have to use other methods. Basically, that's all, and it's not a hassle to operate, it's just that it's easy to ignore the problems that anyone can see.

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